Home / 406,010,873.08-560,280,001.81-220,367,902.96

Finding the Fourth Proportional to 406,010,873.08, 560,280,001.81 and 220,367,902.96

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Solution

The fourth proportional to 406,010,873.08, 560,280,001.81 and 220,367,902.96 is: 304,099,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,873.08 : 560,280,001.81 = 220,367,902.96 : x
  2. Step 2: Convert to fraction form
    406,010,873.08/560,280,001.81 = 220,367,902.96/x
  3. Step 3: Cross multiply
    406,010,873.08x = 560,280,001.81 × 220,367,902.96
  4. Step 4: Simplify right side
    406,010,873.08x = 123,467,729,069,294,704
  5. Step 5: Solve for x
    x = 123,467,729,069,294,704/406,010,873.08
  6. Step 6: Final answer
    x = 304,099,562.98

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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.