Home / 18,882,022,645.92-28,309,071,019.20-11,418,946,258.32

Finding the Fourth Proportional to 18,882,022,645.92, 28,309,071,019.20 and 11,418,946,258.32

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Solution

The fourth proportional to 18,882,022,645.92, 28,309,071,019.20 and 11,418,946,258.32 is: 17,119,975,261.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882,022,645.92 : 28,309,071,019.20 = 11,418,946,258.32 : x
  2. Step 2: Convert to fraction form
    18,882,022,645.92/28,309,071,019.20 = 11,418,946,258.32/x
  3. Step 3: Cross multiply
    18,882,022,645.92x = 28,309,071,019.20 × 11,418,946,258.32
  4. Step 4: Simplify right side
    18,882,022,645.92x = 323,259,760,591,208,972,288
  5. Step 5: Solve for x
    x = 323,259,760,591,208,972,288/18,882,022,645.92
  6. Step 6: Final answer
    x = 17,119,975,261.82

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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.