Home / 479,542,204.65-661,761,257.12-267,852,047.52

Finding the Fourth Proportional to 479,542,204.65, 661,761,257.12 and 267,852,047.52

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Solution

The fourth proportional to 479,542,204.65, 661,761,257.12 and 267,852,047.52 is: 369,631,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,542,204.65 : 661,761,257.12 = 267,852,047.52 : x
  2. Step 2: Convert to fraction form
    479,542,204.65/661,761,257.12 = 267,852,047.52/x
  3. Step 3: Cross multiply
    479,542,204.65x = 661,761,257.12 × 267,852,047.52
  4. Step 4: Simplify right side
    479,542,204.65x = 177,254,107,687,661,920
  5. Step 5: Solve for x
    x = 177,254,107,687,661,920/479,542,204.65
  6. Step 6: Final answer
    x = 369,631,923.88

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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.