Home / 522,910,134.47-721,592,708.46-299,731,819.13

Finding the Fourth Proportional to 522,910,134.47, 721,592,708.46 and 299,731,819.13

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Solution

The fourth proportional to 522,910,134.47, 721,592,708.46 and 299,731,819.13 is: 413,616,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,910,134.47 : 721,592,708.46 = 299,731,819.13 : x
  2. Step 2: Convert to fraction form
    522,910,134.47/721,592,708.46 = 299,731,819.13/x
  3. Step 3: Cross multiply
    522,910,134.47x = 721,592,708.46 × 299,731,819.13
  4. Step 4: Simplify right side
    522,910,134.47x = 216,284,295,175,623,360
  5. Step 5: Solve for x
    x = 216,284,295,175,623,360/522,910,134.47
  6. Step 6: Final answer
    x = 413,616,567.97

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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.