Home / 423,901,613.28-635,852,469.24-132,791,421.04

Finding the Fourth Proportional to 423,901,613.28, 635,852,469.24 and 132,791,421.04

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Solution

The fourth proportional to 423,901,613.28, 635,852,469.24 and 132,791,421.04 is: 199,187,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,901,613.28 : 635,852,469.24 = 132,791,421.04 : x
  2. Step 2: Convert to fraction form
    423,901,613.28/635,852,469.24 = 132,791,421.04/x
  3. Step 3: Cross multiply
    423,901,613.28x = 635,852,469.24 × 132,791,421.04
  4. Step 4: Simplify right side
    423,901,613.28x = 84,435,752,962,172,496
  5. Step 5: Solve for x
    x = 84,435,752,962,172,496/423,901,613.28
  6. Step 6: Final answer
    x = 199,187,147.01

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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.