Home / 781,711,560.11-1,172,564,782.61-283,721,411.08

Finding the Fourth Proportional to 781,711,560.11, 1,172,564,782.61 and 283,721,411.08

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Solution

The fourth proportional to 781,711,560.11, 1,172,564,782.61 and 283,721,411.08 is: 425,581,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,711,560.11 : 1,172,564,782.61 = 283,721,411.08 : x
  2. Step 2: Convert to fraction form
    781,711,560.11/1,172,564,782.61 = 283,721,411.08/x
  3. Step 3: Cross multiply
    781,711,560.11x = 1,172,564,782.61 × 283,721,411.08
  4. Step 4: Simplify right side
    781,711,560.11x = 332,681,734,704,822,592
  5. Step 5: Solve for x
    x = 332,681,734,704,822,592/781,711,560.11
  6. Step 6: Final answer
    x = 425,581,188.36

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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.