Home / 422,040,744.72-582,419,646.75-233,872,182.06

Finding the Fourth Proportional to 422,040,744.72, 582,419,646.75 and 233,872,182.06

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Solution

The fourth proportional to 422,040,744.72, 582,419,646.75 and 233,872,182.06 is: 322,745,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,040,744.72 : 582,419,646.75 = 233,872,182.06 : x
  2. Step 2: Convert to fraction form
    422,040,744.72/582,419,646.75 = 233,872,182.06/x
  3. Step 3: Cross multiply
    422,040,744.72x = 582,419,646.75 × 233,872,182.06
  4. Step 4: Simplify right side
    422,040,744.72x = 136,211,753,660,036,896
  5. Step 5: Solve for x
    x = 136,211,753,660,036,896/422,040,744.72
  6. Step 6: Final answer
    x = 322,745,505.89

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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.