Home / 488,794,861.40-733,192,292.10-161,320,917.20

Finding the Fourth Proportional to 488,794,861.40, 733,192,292.10 and 161,320,917.20

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Solution

The fourth proportional to 488,794,861.40, 733,192,292.10 and 161,320,917.20 is: 241,981,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,794,861.40 : 733,192,292.10 = 161,320,917.20 : x
  2. Step 2: Convert to fraction form
    488,794,861.40/733,192,292.10 = 161,320,917.20/x
  3. Step 3: Cross multiply
    488,794,861.40x = 733,192,292.10 × 161,320,917.20
  4. Step 4: Simplify right side
    488,794,861.40x = 118,279,253,045,542,304
  5. Step 5: Solve for x
    x = 118,279,253,045,542,304/488,794,861.40
  6. Step 6: Final answer
    x = 241,981,375.80

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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.