Home / 269,290,595.20-402,928,123.20-178,591,331.20

Finding the Fourth Proportional to 269,290,595.20, 402,928,123.20 and 178,591,331.20

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Solution

The fourth proportional to 269,290,595.20, 402,928,123.20 and 178,591,331.20 is: 267,218,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,290,595.20 : 402,928,123.20 = 178,591,331.20 : x
  2. Step 2: Convert to fraction form
    269,290,595.20/402,928,123.20 = 178,591,331.20/x
  3. Step 3: Cross multiply
    269,290,595.20x = 402,928,123.20 × 178,591,331.20
  4. Step 4: Simplify right side
    269,290,595.20x = 71,959,469,900,205,600
  5. Step 5: Solve for x
    x = 71,959,469,900,205,600/269,290,595.20
  6. Step 6: Final answer
    x = 267,218,652.20

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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.