Home / 396,288,793.82-546,863,553.14-220,088,139.38

Finding the Fourth Proportional to 396,288,793.82, 546,863,553.14 and 220,088,139.38

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Solution

The fourth proportional to 396,288,793.82, 546,863,553.14 and 220,088,139.38 is: 303,713,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,288,793.82 : 546,863,553.14 = 220,088,139.38 : x
  2. Step 2: Convert to fraction form
    396,288,793.82/546,863,553.14 = 220,088,139.38/x
  3. Step 3: Cross multiply
    396,288,793.82x = 546,863,553.14 × 220,088,139.38
  4. Step 4: Simplify right side
    396,288,793.82x = 120,358,181,905,318,352
  5. Step 5: Solve for x
    x = 120,358,181,905,318,352/396,288,793.82
  6. Step 6: Final answer
    x = 303,713,311.56

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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.