Home / 15,906,639,115.45-23,862,410,318.49-5,423,403,889.82

Finding the Fourth Proportional to 15,906,639,115.45, 23,862,410,318.49 and 5,423,403,889.82

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Solution

The fourth proportional to 15,906,639,115.45, 23,862,410,318.49 and 5,423,403,889.82 is: 8,135,941,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906,639,115.45 : 23,862,410,318.49 = 5,423,403,889.82 : x
  2. Step 2: Convert to fraction form
    15,906,639,115.45/23,862,410,318.49 = 5,423,403,889.82/x
  3. Step 3: Cross multiply
    15,906,639,115.45x = 23,862,410,318.49 × 5,423,403,889.82
  4. Step 4: Simplify right side
    15,906,639,115.45x = 129,415,488,941,815,365,632
  5. Step 5: Solve for x
    x = 129,415,488,941,815,365,632/15,906,639,115.45
  6. Step 6: Final answer
    x = 8,135,941,728.64

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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.