Home / 344,729,321.41-517,055,784.72-123,391,821.28

Finding the Fourth Proportional to 344,729,321.41, 517,055,784.72 and 123,391,821.28

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Solution

The fourth proportional to 344,729,321.41, 517,055,784.72 and 123,391,821.28 is: 185,074,059.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,729,321.41 : 517,055,784.72 = 123,391,821.28 : x
  2. Step 2: Convert to fraction form
    344,729,321.41/517,055,784.72 = 123,391,821.28/x
  3. Step 3: Cross multiply
    344,729,321.41x = 517,055,784.72 × 123,391,821.28
  4. Step 4: Simplify right side
    344,729,321.41x = 63,800,454,979,960,400
  5. Step 5: Solve for x
    x = 63,800,454,979,960,400/344,729,321.41
  6. Step 6: Final answer
    x = 185,074,059.61

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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.