Home / 396,881,361.92-547,693,410.96-220,667,992.22

Finding the Fourth Proportional to 396,881,361.92, 547,693,410.96 and 220,667,992.22

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Solution

The fourth proportional to 396,881,361.92, 547,693,410.96 and 220,667,992.22 is: 304,520,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,881,361.92 : 547,693,410.96 = 220,667,992.22 : x
  2. Step 2: Convert to fraction form
    396,881,361.92/547,693,410.96 = 220,667,992.22/x
  3. Step 3: Cross multiply
    396,881,361.92x = 547,693,410.96 × 220,667,992.22
  4. Step 4: Simplify right side
    396,881,361.92x = 120,858,405,348,666,544
  5. Step 5: Solve for x
    x = 120,858,405,348,666,544/396,881,361.92
  6. Step 6: Final answer
    x = 304,520,234.37

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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.