Home / 13,175,098,309.44-18,181,951,585.20-7,153,857,498.24

Finding the Fourth Proportional to 13,175,098,309.44, 18,181,951,585.20 and 7,153,857,498.24

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Solution

The fourth proportional to 13,175,098,309.44, 18,181,951,585.20 and 7,153,857,498.24 is: 9,872,494,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175,098,309.44 : 18,181,951,585.20 = 7,153,857,498.24 : x
  2. Step 2: Convert to fraction form
    13,175,098,309.44/18,181,951,585.20 = 7,153,857,498.24/x
  3. Step 3: Cross multiply
    13,175,098,309.44x = 18,181,951,585.20 × 7,153,857,498.24
  4. Step 4: Simplify right side
    13,175,098,309.44x = 130,071,090,680,419,680,256
  5. Step 5: Solve for x
    x = 130,071,090,680,419,680,256/13,175,098,309.44
  6. Step 6: Final answer
    x = 9,872,494,885.84

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1.5x scale

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.