Home / 18,882,022,730.52-28,309,071,146.04-11,418,946,342.68

Finding the Fourth Proportional to 18,882,022,730.52, 28,309,071,146.04 and 11,418,946,342.68

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Solution

The fourth proportional to 18,882,022,730.52, 28,309,071,146.04 and 11,418,946,342.68 is: 17,119,975,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882,022,730.52 : 28,309,071,146.04 = 11,418,946,342.68 : x
  2. Step 2: Convert to fraction form
    18,882,022,730.52/28,309,071,146.04 = 11,418,946,342.68/x
  3. Step 3: Cross multiply
    18,882,022,730.52x = 28,309,071,146.04 × 11,418,946,342.68
  4. Step 4: Simplify right side
    18,882,022,730.52x = 323,259,764,427,741,396,992
  5. Step 5: Solve for x
    x = 323,259,764,427,741,396,992/18,882,022,730.52
  6. Step 6: Final answer
    x = 17,119,975,388.30

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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.