Home / 396,750,203.96-547,477,694.70-220,517,272.76

Finding the Fourth Proportional to 396,750,203.96, 547,477,694.70 and 220,517,272.76

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Solution

The fourth proportional to 396,750,203.96, 547,477,694.70 and 220,517,272.76 is: 304,292,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,750,203.96 : 547,477,694.70 = 220,517,272.76 : x
  2. Step 2: Convert to fraction form
    396,750,203.96/547,477,694.70 = 220,517,272.76/x
  3. Step 3: Cross multiply
    396,750,203.96x = 547,477,694.70 × 220,517,272.76
  4. Step 4: Simplify right side
    396,750,203.96x = 120,728,288,132,175,904
  5. Step 5: Solve for x
    x = 120,728,288,132,175,904/396,750,203.96
  6. Step 6: Final answer
    x = 304,292,945.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.