Home / 442,580,715.92-663,861,957.40-147,497,264.92

Finding the Fourth Proportional to 442,580,715.92, 663,861,957.40 and 147,497,264.92

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Solution

The fourth proportional to 442,580,715.92, 663,861,957.40 and 147,497,264.92 is: 221,242,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,580,715.92 : 663,861,957.40 = 147,497,264.92 : x
  2. Step 2: Convert to fraction form
    442,580,715.92/663,861,957.40 = 147,497,264.92/x
  3. Step 3: Cross multiply
    442,580,715.92x = 663,861,957.40 × 147,497,264.92
  4. Step 4: Simplify right side
    442,580,715.92x = 97,917,823,000,937,536
  5. Step 5: Solve for x
    x = 97,917,823,000,937,536/442,580,715.92
  6. Step 6: Final answer
    x = 221,242,859.16

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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.