Home / 511,897,770.83-706,906,806.50-484,009,906.81

Finding the Fourth Proportional to 511,897,770.83, 706,906,806.50 and 484,009,906.81

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Solution

The fourth proportional to 511,897,770.83, 706,906,806.50 and 484,009,906.81 is: 668,394,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,897,770.83 : 706,906,806.50 = 484,009,906.81 : x
  2. Step 2: Convert to fraction form
    511,897,770.83/706,906,806.50 = 484,009,906.81/x
  3. Step 3: Cross multiply
    511,897,770.83x = 706,906,806.50 × 484,009,906.81
  4. Step 4: Simplify right side
    511,897,770.83x = 342,149,897,537,419,712
  5. Step 5: Solve for x
    x = 342,149,897,537,419,712/511,897,770.83
  6. Step 6: Final answer
    x = 668,394,974.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.