Home / 542,982,067.17-814,723,588.52-247,967,625.84

Finding the Fourth Proportional to 542,982,067.17, 814,723,588.52 and 247,967,625.84

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Solution

The fourth proportional to 542,982,067.17, 814,723,588.52 and 247,967,625.84 is: 372,065,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,982,067.17 : 814,723,588.52 = 247,967,625.84 : x
  2. Step 2: Convert to fraction form
    542,982,067.17/814,723,588.52 = 247,967,625.84/x
  3. Step 3: Cross multiply
    542,982,067.17x = 814,723,588.52 × 247,967,625.84
  4. Step 4: Simplify right side
    542,982,067.17x = 202,025,073,961,149,472
  5. Step 5: Solve for x
    x = 202,025,073,961,149,472/542,982,067.17
  6. Step 6: Final answer
    x = 372,065,830.86

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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.