Following are a number of back-translations as well as a sample translation for translators of Psalm 98:3:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “He has remembered his love
  and his faithfulness on Israel;
  all the ends of the earth have seen
  the salvation of our God.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “He has remembered his promise to love
  and be faithful to Israel.
  All who live in the corners of the earth
  have seen the salvation of our God.” (Source: Newari Back Translation)
• Hiligaynon:
  “He did- not -forget his love and faithfulness to us (incl.) the people of Israel.
  (It) was-seen by all the people in every/[lit where ever] part of the world how our (incl.) God caused- us (incl.) -to-win.” (Source: Hiligaynon Back Translation)
• Laarim:
  “He remembered his love,
  and his faithfulness to the people of Israel,
  all people from the ends of the earth saw,
  the salvation of our God.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Ameikumbuka neema yake,
  na ukweli wake kwa Israeli.
  Pande zote za dunia,
  zimeuona ushindi wa Mungu wetu.” (Source: Nyakyusa Back Translation)
• English:
  “Like he promised to us Israeli people, he has faithfully loved us and been loyal to/not abandoned us.
  People who live in very remote places in all the earth
  have seen that our God has defeated his enemies.” (Source: Translation for Translators)