Home / 514,564,508.55-710,098,481.61-279,614,610.12

Finding the Fourth Proportional to 514,564,508.55, 710,098,481.61 and 279,614,610.12

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Solution

The fourth proportional to 514,564,508.55, 710,098,481.61 and 279,614,610.12 is: 385,867,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,564,508.55 : 710,098,481.61 = 279,614,610.12 : x
  2. Step 2: Convert to fraction form
    514,564,508.55/710,098,481.61 = 279,614,610.12/x
  3. Step 3: Cross multiply
    514,564,508.55x = 710,098,481.61 × 279,614,610.12
  4. Step 4: Simplify right side
    514,564,508.55x = 198,553,910,082,184,160
  5. Step 5: Solve for x
    x = 198,553,910,082,184,160/514,564,508.55
  6. Step 6: Final answer
    x = 385,867,868.43

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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.