Home / 8,971,981,481.04-12,382,040,238.54-5,109,680,394.64

Finding the Fourth Proportional to 8,971,981,481.04, 12,382,040,238.54 and 5,109,680,394.64

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Solution

The fourth proportional to 8,971,981,481.04, 12,382,040,238.54 and 5,109,680,394.64 is: 7,051,760,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,981,481.04 : 12,382,040,238.54 = 5,109,680,394.64 : x
  2. Step 2: Convert to fraction form
    8,971,981,481.04/12,382,040,238.54 = 5,109,680,394.64/x
  3. Step 3: Cross multiply
    8,971,981,481.04x = 12,382,040,238.54 × 5,109,680,394.64
  4. Step 4: Simplify right side
    8,971,981,481.04x = 63,268,268,252,485,885,952
  5. Step 5: Solve for x
    x = 63,268,268,252,485,885,952/8,971,981,481.04
  6. Step 6: Final answer
    x = 7,051,760,905.46

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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.