Home / 396,933,698.16-547,768,958.40-220,717,910.16

Finding the Fourth Proportional to 396,933,698.16, 547,768,958.40 and 220,717,910.16

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Solution

The fourth proportional to 396,933,698.16, 547,768,958.40 and 220,717,910.16 is: 304,590,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,933,698.16 : 547,768,958.40 = 220,717,910.16 : x
  2. Step 2: Convert to fraction form
    396,933,698.16/547,768,958.40 = 220,717,910.16/x
  3. Step 3: Cross multiply
    396,933,698.16x = 547,768,958.40 × 220,717,910.16
  4. Step 4: Simplify right side
    396,933,698.16x = 120,902,419,748,567,968
  5. Step 5: Solve for x
    x = 120,902,419,748,567,968/396,933,698.16
  6. Step 6: Final answer
    x = 304,590,968.99

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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.