Home / 18,882,022,428.87-28,309,070,693.72-11,418,946,041.95

Finding the Fourth Proportional to 18,882,022,428.87, 28,309,070,693.72 and 11,418,946,041.95

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Solution

The fourth proportional to 18,882,022,428.87, 28,309,070,693.72 and 11,418,946,041.95 is: 17,119,974,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882,022,428.87 : 28,309,070,693.72 = 11,418,946,041.95 : x
  2. Step 2: Convert to fraction form
    18,882,022,428.87/28,309,070,693.72 = 11,418,946,041.95/x
  3. Step 3: Cross multiply
    18,882,022,428.87x = 28,309,070,693.72 × 11,418,946,041.95
  4. Step 4: Simplify right side
    18,882,022,428.87x = 323,259,750,749,336,240,128
  5. Step 5: Solve for x
    x = 323,259,750,749,336,240,128/18,882,022,428.87
  6. Step 6: Final answer
    x = 17,119,974,937.38

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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.