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Finding the Fourth Proportional to 399,965,785.62, 599,888,059.98 and 108,855,593.46

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Solution

The fourth proportional to 399,965,785.62, 599,888,059.98 and 108,855,593.46 is: 163,266,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,965,785.62 : 599,888,059.98 = 108,855,593.46 : x
  2. Step 2: Convert to fraction form
    399,965,785.62/599,888,059.98 = 108,855,593.46/x
  3. Step 3: Cross multiply
    399,965,785.62x = 599,888,059.98 × 108,855,593.46
  4. Step 4: Simplify right side
    399,965,785.62x = 65,301,170,778,690,976
  5. Step 5: Solve for x
    x = 65,301,170,778,690,976/399,965,785.62
  6. Step 6: Final answer
    x = 163,266,892.14

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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.