Home / 396,811,057.80-595,317,189.42-280,455,348.36

Finding the Fourth Proportional to 396,811,057.80, 595,317,189.42 and 280,455,348.36

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Solution

The fourth proportional to 396,811,057.80, 595,317,189.42 and 280,455,348.36 is: 420,754,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,811,057.80 : 595,317,189.42 = 280,455,348.36 : x
  2. Step 2: Convert to fraction form
    396,811,057.80/595,317,189.42 = 280,455,348.36/x
  3. Step 3: Cross multiply
    396,811,057.80x = 595,317,189.42 × 280,455,348.36
  4. Step 4: Simplify right side
    396,811,057.80x = 166,959,889,743,482,208
  5. Step 5: Solve for x
    x = 166,959,889,743,482,208/396,811,057.80
  6. Step 6: Final answer
    x = 420,754,125.83

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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.