Home / 615,681,445.27-924,995,484.54-394,785,570.17

Finding the Fourth Proportional to 615,681,445.27, 924,995,484.54 and 394,785,570.17

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Solution

The fourth proportional to 615,681,445.27, 924,995,484.54 and 394,785,570.17 is: 593,123,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,681,445.27 : 924,995,484.54 = 394,785,570.17 : x
  2. Step 2: Convert to fraction form
    615,681,445.27/924,995,484.54 = 394,785,570.17/x
  3. Step 3: Cross multiply
    615,681,445.27x = 924,995,484.54 × 394,785,570.17
  4. Step 4: Simplify right side
    615,681,445.27x = 365,174,869,766,825,408
  5. Step 5: Solve for x
    x = 365,174,869,766,825,408/615,681,445.27
  6. Step 6: Final answer
    x = 593,123,071.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.