Home / 376,025,891.43-518,917,608.30-234,979,013.28

Finding the Fourth Proportional to 376,025,891.43, 518,917,608.30 and 234,979,013.28

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Solution

The fourth proportional to 376,025,891.43, 518,917,608.30 and 234,979,013.28 is: 324,272,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,025,891.43 : 518,917,608.30 = 234,979,013.28 : x
  2. Step 2: Convert to fraction form
    376,025,891.43/518,917,608.30 = 234,979,013.28/x
  3. Step 3: Cross multiply
    376,025,891.43x = 518,917,608.30 × 234,979,013.28
  4. Step 4: Simplify right side
    376,025,891.43x = 121,934,747,571,951,536
  5. Step 5: Solve for x
    x = 121,934,747,571,951,536/376,025,891.43
  6. Step 6: Final answer
    x = 324,272,211.97

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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.