Home / 392,182,609.31-541,194,542.98-224,798,872.79

Finding the Fourth Proportional to 392,182,609.31, 541,194,542.98 and 224,798,872.79

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Solution

The fourth proportional to 392,182,609.31, 541,194,542.98 and 224,798,872.79 is: 310,212,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,182,609.31 : 541,194,542.98 = 224,798,872.79 : x
  2. Step 2: Convert to fraction form
    392,182,609.31/541,194,542.98 = 224,798,872.79/x
  3. Step 3: Cross multiply
    392,182,609.31x = 541,194,542.98 × 224,798,872.79
  4. Step 4: Simplify right side
    392,182,609.31x = 121,659,923,222,794,176
  5. Step 5: Solve for x
    x = 121,659,923,222,794,176/392,182,609.31
  6. Step 6: Final answer
    x = 310,212,437.61

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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.