Home / 465,489,221.28-698,305,576.46-158,709,589.62

Finding the Fourth Proportional to 465,489,221.28, 698,305,576.46 and 158,709,589.62

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Solution

The fourth proportional to 465,489,221.28, 698,305,576.46 and 158,709,589.62 is: 238,088,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,489,221.28 : 698,305,576.46 = 158,709,589.62 : x
  2. Step 2: Convert to fraction form
    465,489,221.28/698,305,576.46 = 158,709,589.62/x
  3. Step 3: Cross multiply
    465,489,221.28x = 698,305,576.46 × 158,709,589.62
  4. Step 4: Simplify right side
    465,489,221.28x = 110,827,791,469,324,144
  5. Step 5: Solve for x
    x = 110,827,791,469,324,144/465,489,221.28
  6. Step 6: Final answer
    x = 238,088,845.89

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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.