Home / 21,135,906,863.24-31,703,869,275.19-6,213,073,476.76

Finding the Fourth Proportional to 21,135,906,863.24, 31,703,869,275.19 and 6,213,073,476.76

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Solution

The fourth proportional to 21,135,906,863.24, 31,703,869,275.19 and 6,213,073,476.76 is: 9,319,612,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,135,906,863.24 : 31,703,869,275.19 = 6,213,073,476.76 : x
  2. Step 2: Convert to fraction form
    21,135,906,863.24/31,703,869,275.19 = 6,213,073,476.76/x
  3. Step 3: Cross multiply
    21,135,906,863.24x = 31,703,869,275.19 × 6,213,073,476.76
  4. Step 4: Simplify right side
    21,135,906,863.24x = 196,978,469,304,241,979,392
  5. Step 5: Solve for x
    x = 196,978,469,304,241,979,392/21,135,906,863.24
  6. Step 6: Final answer
    x = 9,319,612,854.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.