Home / 18,882,022,524.12-28,309,070,836.44-11,418,946,137.72

Finding the Fourth Proportional to 18,882,022,524.12, 28,309,070,836.44 and 11,418,946,137.72

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Solution

The fourth proportional to 18,882,022,524.12, 28,309,070,836.44 and 11,418,946,137.72 is: 17,119,975,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882,022,524.12 : 28,309,070,836.44 = 11,418,946,137.72 : x
  2. Step 2: Convert to fraction form
    18,882,022,524.12/28,309,070,836.44 = 11,418,946,137.72/x
  3. Step 3: Cross multiply
    18,882,022,524.12x = 28,309,070,836.44 × 11,418,946,137.72
  4. Step 4: Simplify right side
    18,882,022,524.12x = 323,259,755,090,208,423,936
  5. Step 5: Solve for x
    x = 323,259,755,090,208,423,936/18,882,022,524.12
  6. Step 6: Final answer
    x = 17,119,975,080.91

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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.