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Finding the Fourth Proportional to 992,503,687.20, 1,486,488,049.20 and 584,356,999.20

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Solution

The fourth proportional to 992,503,687.20, 1,486,488,049.20 and 584,356,999.20 is: 875,200,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,503,687.20 : 1,486,488,049.20 = 584,356,999.20 : x
  2. Step 2: Convert to fraction form
    992,503,687.20/1,486,488,049.20 = 584,356,999.20/x
  3. Step 3: Cross multiply
    992,503,687.20x = 1,486,488,049.20 × 584,356,999.20
  4. Step 4: Simplify right side
    992,503,687.20x = 868,639,695,777,174,016
  5. Step 5: Solve for x
    x = 868,639,695,777,174,016/992,503,687.20
  6. Step 6: Final answer
    x = 875,200,472.28

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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.