Home / 406,010,872.85-560,280,001.48-220,367,902.73

Finding the Fourth Proportional to 406,010,872.85, 560,280,001.48 and 220,367,902.73

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Solution

The fourth proportional to 406,010,872.85, 560,280,001.48 and 220,367,902.73 is: 304,099,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,872.85 : 560,280,001.48 = 220,367,902.73 : x
  2. Step 2: Convert to fraction form
    406,010,872.85/560,280,001.48 = 220,367,902.73/x
  3. Step 3: Cross multiply
    406,010,872.85x = 560,280,001.48 × 220,367,902.73
  4. Step 4: Simplify right side
    406,010,872.85x = 123,467,728,864,356,560
  5. Step 5: Solve for x
    x = 123,467,728,864,356,560/406,010,872.85
  6. Step 6: Final answer
    x = 304,099,562.65

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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.