Home / 406,061,815.52-560,366,016.32-220,422,956.96

Finding the Fourth Proportional to 406,061,815.52, 560,366,016.32 and 220,422,956.96

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Solution

The fourth proportional to 406,061,815.52, 560,366,016.32 and 220,422,956.96 is: 304,184,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,061,815.52 : 560,366,016.32 = 220,422,956.96 : x
  2. Step 2: Convert to fraction form
    406,061,815.52/560,366,016.32 = 220,422,956.96/x
  3. Step 3: Cross multiply
    406,061,815.52x = 560,366,016.32 × 220,422,956.96
  4. Step 4: Simplify right side
    406,061,815.52x = 123,517,534,297,150,032
  5. Step 5: Solve for x
    x = 123,517,534,297,150,032/406,061,815.52
  6. Step 6: Final answer
    x = 304,184,066.50

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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.