Home / 508,608,220.80-762,912,331.20-125,655,772.80

Finding the Fourth Proportional to 508,608,220.80, 762,912,331.20 and 125,655,772.80

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Solution

The fourth proportional to 508,608,220.80, 762,912,331.20 and 125,655,772.80 is: 188,483,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,608,220.80 : 762,912,331.20 = 125,655,772.80 : x
  2. Step 2: Convert to fraction form
    508,608,220.80/762,912,331.20 = 125,655,772.80/x
  3. Step 3: Cross multiply
    508,608,220.80x = 762,912,331.20 × 125,655,772.80
  4. Step 4: Simplify right side
    508,608,220.80x = 95,864,338,555,585,552
  5. Step 5: Solve for x
    x = 95,864,338,555,585,552/508,608,220.80
  6. Step 6: Final answer
    x = 188,483,659.20

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Similar ratio
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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.