Home / 18,647,961,421.52-27,961,726,943.59-9,183,793,418.09

Finding the Fourth Proportional to 18,647,961,421.52, 27,961,726,943.59 and 9,183,793,418.09

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Solution

The fourth proportional to 18,647,961,421.52, 27,961,726,943.59 and 9,183,793,418.09 is: 13,770,659,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647,961,421.52 : 27,961,726,943.59 = 9,183,793,418.09 : x
  2. Step 2: Convert to fraction form
    18,647,961,421.52/27,961,726,943.59 = 9,183,793,418.09/x
  3. Step 3: Cross multiply
    18,647,961,421.52x = 27,961,726,943.59 × 9,183,793,418.09
  4. Step 4: Simplify right side
    18,647,961,421.52x = 256,794,723,862,971,645,952
  5. Step 5: Solve for x
    x = 256,794,723,862,971,645,952/18,647,961,421.52
  6. Step 6: Final answer
    x = 13,770,659,326.15

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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.