Home / 453,022,010.12-679,422,592.33-125,489,016.92

Finding the Fourth Proportional to 453,022,010.12, 679,422,592.33 and 125,489,016.92

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Solution

The fourth proportional to 453,022,010.12, 679,422,592.33 and 125,489,016.92 is: 188,202,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,022,010.12 : 679,422,592.33 = 125,489,016.92 : x
  2. Step 2: Convert to fraction form
    453,022,010.12/679,422,592.33 = 125,489,016.92/x
  3. Step 3: Cross multiply
    453,022,010.12x = 679,422,592.33 × 125,489,016.92
  4. Step 4: Simplify right side
    453,022,010.12x = 85,260,073,184,729,632
  5. Step 5: Solve for x
    x = 85,260,073,184,729,632/453,022,010.12
  6. Step 6: Final answer
    x = 188,202,937.78

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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.