Home / 461,538,269.72-636,897,582-252,654,005.24

Finding the Fourth Proportional to 461,538,269.72, 636,897,582 and 252,654,005.24

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Solution

The fourth proportional to 461,538,269.72, 636,897,582 and 252,654,005.24 is: 348,648,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,538,269.72 : 636,897,582 = 252,654,005.24 : x
  2. Step 2: Convert to fraction form
    461,538,269.72/636,897,582 = 252,654,005.24/x
  3. Step 3: Cross multiply
    461,538,269.72x = 636,897,582 × 252,654,005.24
  4. Step 4: Simplify right side
    461,538,269.72x = 160,914,725,019,971,328
  5. Step 5: Solve for x
    x = 160,914,725,019,971,328/461,538,269.72
  6. Step 6: Final answer
    x = 348,648,715.78

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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.