Home / 21,250,949,156.68-29,326,320,969.11-11,605,811,167.84

Finding the Fourth Proportional to 21,250,949,156.68, 29,326,320,969.11 and 11,605,811,167.84

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Solution

The fourth proportional to 21,250,949,156.68, 29,326,320,969.11 and 11,605,811,167.84 is: 16,016,025,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250,949,156.68 : 29,326,320,969.11 = 11,605,811,167.84 : x
  2. Step 2: Convert to fraction form
    21,250,949,156.68/29,326,320,969.11 = 11,605,811,167.84/x
  3. Step 3: Cross multiply
    21,250,949,156.68x = 29,326,320,969.11 × 11,605,811,167.84
  4. Step 4: Simplify right side
    21,250,949,156.68x = 340,355,743,414,957,244,416
  5. Step 5: Solve for x
    x = 340,355,743,414,957,244,416/21,250,949,156.68
  6. Step 6: Final answer
    x = 16,016,025,491.64

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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.