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Finding the Fourth Proportional to 487,087,772.61, 730,631,644.80 and 224,694,689.91

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Solution

The fourth proportional to 487,087,772.61, 730,631,644.80 and 224,694,689.91 is: 337,042,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,087,772.61 : 730,631,644.80 = 224,694,689.91 : x
  2. Step 2: Convert to fraction form
    487,087,772.61/730,631,644.80 = 224,694,689.91/x
  3. Step 3: Cross multiply
    487,087,772.61x = 730,631,644.80 × 224,694,689.91
  4. Step 4: Simplify right side
    487,087,772.61x = 164,169,050,866,769,248
  5. Step 5: Solve for x
    x = 164,169,050,866,769,248/487,087,772.61
  6. Step 6: Final answer
    x = 337,042,028.35

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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.