Home / 461,147,989.24-636,321,374.40-275,469,589.72

Finding the Fourth Proportional to 461,147,989.24, 636,321,374.40 and 275,469,589.72

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Solution

The fourth proportional to 461,147,989.24, 636,321,374.40 and 275,469,589.72 is: 380,110,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,147,989.24 : 636,321,374.40 = 275,469,589.72 : x
  2. Step 2: Convert to fraction form
    461,147,989.24/636,321,374.40 = 275,469,589.72/x
  3. Step 3: Cross multiply
    461,147,989.24x = 636,321,374.40 × 275,469,589.72
  4. Step 4: Simplify right side
    461,147,989.24x = 175,287,187,936,034,528
  5. Step 5: Solve for x
    x = 175,287,187,936,034,528/461,147,989.24
  6. Step 6: Final answer
    x = 380,110,489.53

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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.