Home / 461,147,990.24-636,321,375.78-275,469,590.72

Finding the Fourth Proportional to 461,147,990.24, 636,321,375.78 and 275,469,590.72

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Solution

The fourth proportional to 461,147,990.24, 636,321,375.78 and 275,469,590.72 is: 380,110,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,147,990.24 : 636,321,375.78 = 275,469,590.72 : x
  2. Step 2: Convert to fraction form
    461,147,990.24/636,321,375.78 = 275,469,590.72/x
  3. Step 3: Cross multiply
    461,147,990.24x = 636,321,375.78 × 275,469,590.72
  4. Step 4: Simplify right side
    461,147,990.24x = 175,287,188,952,503,936
  5. Step 5: Solve for x
    x = 175,287,188,952,503,936/461,147,990.24
  6. Step 6: Final answer
    x = 380,110,490.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.