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Finding the Fourth Proportional to 532,398,206.80, 798,597,310.20 and 187,349,093.20

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Solution

The fourth proportional to 532,398,206.80, 798,597,310.20 and 187,349,093.20 is: 281,023,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,398,206.80 : 798,597,310.20 = 187,349,093.20 : x
  2. Step 2: Convert to fraction form
    532,398,206.80/798,597,310.20 = 187,349,093.20/x
  3. Step 3: Cross multiply
    532,398,206.80x = 798,597,310.20 × 187,349,093.20
  4. Step 4: Simplify right side
    532,398,206.80x = 149,616,481,897,929,120
  5. Step 5: Solve for x
    x = 149,616,481,897,929,120/532,398,206.80
  6. Step 6: Final answer
    x = 281,023,639.80

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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.