Home / 363,399,121.64-501,488,236.76-198,386,691.14

Finding the Fourth Proportional to 363,399,121.64, 501,488,236.76 and 198,386,691.14

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Solution

The fourth proportional to 363,399,121.64, 501,488,236.76 and 198,386,691.14 is: 273,772,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,399,121.64 : 501,488,236.76 = 198,386,691.14 : x
  2. Step 2: Convert to fraction form
    363,399,121.64/501,488,236.76 = 198,386,691.14/x
  3. Step 3: Cross multiply
    363,399,121.64x = 501,488,236.76 × 198,386,691.14
  4. Step 4: Simplify right side
    363,399,121.64x = 99,488,591,936,711,104
  5. Step 5: Solve for x
    x = 99,488,591,936,711,104/363,399,121.64
  6. Step 6: Final answer
    x = 273,772,241.07

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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.