Home / 615,681,501.10-924,995,568.45-394,785,625.79

Finding the Fourth Proportional to 615,681,501.10, 924,995,568.45 and 394,785,625.79

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Solution

The fourth proportional to 615,681,501.10, 924,995,568.45 and 394,785,625.79 is: 593,123,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,681,501.10 : 924,995,568.45 = 394,785,625.79 : x
  2. Step 2: Convert to fraction form
    615,681,501.10/924,995,568.45 = 394,785,625.79/x
  3. Step 3: Cross multiply
    615,681,501.10x = 924,995,568.45 × 394,785,625.79
  4. Step 4: Simplify right side
    615,681,501.10x = 365,174,954,343,510,080
  5. Step 5: Solve for x
    x = 365,174,954,343,510,080/615,681,501.10
  6. Step 6: Final answer
    x = 593,123,154.90

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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.