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Finding the Fourth Proportional to 399,635,446.80, 599,494,279.88 and 150,850,260.60

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Solution

The fourth proportional to 399,635,446.80, 599,494,279.88 and 150,850,260.60 is: 226,290,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,635,446.80 : 599,494,279.88 = 150,850,260.60 : x
  2. Step 2: Convert to fraction form
    399,635,446.80/599,494,279.88 = 150,850,260.60/x
  3. Step 3: Cross multiply
    399,635,446.80x = 599,494,279.88 × 150,850,260.60
  4. Step 4: Simplify right side
    399,635,446.80x = 90,433,868,349,611,520
  5. Step 5: Solve for x
    x = 90,433,868,349,611,520/399,635,446.80
  6. Step 6: Final answer
    x = 226,290,908.56

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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.