Following are a number of back-translations as well as a sample translation for translators of Proverbs 18:18:

• Kupsabiny: “The casting of lots reconciles big people
  and finishes a quarrel.” (Source: Kupsabiny Back Translation)
• Newari: “If both of them have strong cases,
  [the judge] casts lots to decide who wins.” (Source: Newari Back Translation)
• Hiligaynon: “Casting-of-lot can-stop an argument, and can-settles the case/disputes of the two powerful men.” (Source: Hiligaynon Back Translation)
• Kankanaey: “A difficult (legal)-case can be judged/decided by-means-of throwing-dice/drawing-lots that is turned-over-to God.” (Source: Kankanaey Back Translation)
• English: “If two influential/important people are arguing,
  someone can settle the matter by casting lots/throwing marked stones to decide who is right.” (Source: Translation for Translators)