Home / 15,016,856,268.12-20,723,282,171.54-8,150,253,002.43

Finding the Fourth Proportional to 15,016,856,268.12, 20,723,282,171.54 and 8,150,253,002.43

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Solution

The fourth proportional to 15,016,856,268.12, 20,723,282,171.54 and 8,150,253,002.43 is: 11,247,360,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,856,268.12 : 20,723,282,171.54 = 8,150,253,002.43 : x
  2. Step 2: Convert to fraction form
    15,016,856,268.12/20,723,282,171.54 = 8,150,253,002.43/x
  3. Step 3: Cross multiply
    15,016,856,268.12x = 20,723,282,171.54 × 8,150,253,002.43
  4. Step 4: Simplify right side
    15,016,856,268.12x = 168,899,992,738,757,214,208
  5. Step 5: Solve for x
    x = 168,899,992,738,757,214,208/15,016,856,268.12
  6. Step 6: Final answer
    x = 11,247,360,281.21

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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.