Home / 422,040,743.22-582,419,644.68-233,872,180.56

Finding the Fourth Proportional to 422,040,743.22, 582,419,644.68 and 233,872,180.56

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Solution

The fourth proportional to 422,040,743.22, 582,419,644.68 and 233,872,180.56 is: 322,745,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,040,743.22 : 582,419,644.68 = 233,872,180.56 : x
  2. Step 2: Convert to fraction form
    422,040,743.22/582,419,644.68 = 233,872,180.56/x
  3. Step 3: Cross multiply
    422,040,743.22x = 582,419,644.68 × 233,872,180.56
  4. Step 4: Simplify right side
    422,040,743.22x = 136,211,752,302,292,000
  5. Step 5: Solve for x
    x = 136,211,752,302,292,000/422,040,743.22
  6. Step 6: Final answer
    x = 322,745,503.82

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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.