Home / 363,398,121.59-501,486,856.86-198,385,691.09

Finding the Fourth Proportional to 363,398,121.59, 501,486,856.86 and 198,385,691.09

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Solution

The fourth proportional to 363,398,121.59, 501,486,856.86 and 198,385,691.09 is: 273,770,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,398,121.59 : 501,486,856.86 = 198,385,691.09 : x
  2. Step 2: Convert to fraction form
    363,398,121.59/501,486,856.86 = 198,385,691.09/x
  3. Step 3: Cross multiply
    363,398,121.59x = 501,486,856.86 × 198,385,691.09
  4. Step 4: Simplify right side
    363,398,121.59x = 99,487,816,668,215,584
  5. Step 5: Solve for x
    x = 99,487,816,668,215,584/363,398,121.59
  6. Step 6: Final answer
    x = 273,770,861.10

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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.