Home / 465,655,102.80-698,482,654.20-158,957,221.20

Finding the Fourth Proportional to 465,655,102.80, 698,482,654.20 and 158,957,221.20

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Solution

The fourth proportional to 465,655,102.80, 698,482,654.20 and 158,957,221.20 is: 238,435,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,655,102.80 : 698,482,654.20 = 158,957,221.20 : x
  2. Step 2: Convert to fraction form
    465,655,102.80/698,482,654.20 = 158,957,221.20/x
  3. Step 3: Cross multiply
    465,655,102.80x = 698,482,654.20 × 158,957,221.20
  4. Step 4: Simplify right side
    465,655,102.80x = 111,028,861,768,032,512
  5. Step 5: Solve for x
    x = 111,028,861,768,032,512/465,655,102.80
  6. Step 6: Final answer
    x = 238,435,831.80

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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.