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Finding the Fourth Proportional to 541,324,863.40, 811,987,295.10 and 132,375,692.20

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Solution

The fourth proportional to 541,324,863.40, 811,987,295.10 and 132,375,692.20 is: 198,563,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,324,863.40 : 811,987,295.10 = 132,375,692.20 : x
  2. Step 2: Convert to fraction form
    541,324,863.40/811,987,295.10 = 132,375,692.20/x
  3. Step 3: Cross multiply
    541,324,863.40x = 811,987,295.10 × 132,375,692.20
  4. Step 4: Simplify right side
    541,324,863.40x = 107,487,380,246,468,176
  5. Step 5: Solve for x
    x = 107,487,380,246,468,176/541,324,863.40
  6. Step 6: Final answer
    x = 198,563,538.30

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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.