Home / 12,894,137,977.20-19,341,206,965.80-11,862,181,906.80

Finding the Fourth Proportional to 12,894,137,977.20, 19,341,206,965.80 and 11,862,181,906.80

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Solution

The fourth proportional to 12,894,137,977.20, 19,341,206,965.80 and 11,862,181,906.80 is: 17,793,272,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894,137,977.20 : 19,341,206,965.80 = 11,862,181,906.80 : x
  2. Step 2: Convert to fraction form
    12,894,137,977.20/19,341,206,965.80 = 11,862,181,906.80/x
  3. Step 3: Cross multiply
    12,894,137,977.20x = 19,341,206,965.80 × 11,862,181,906.80
  4. Step 4: Simplify right side
    12,894,137,977.20x = 229,428,915,325,386,850,304
  5. Step 5: Solve for x
    x = 229,428,915,325,386,850,304/12,894,137,977.20
  6. Step 6: Final answer
    x = 17,793,272,860.20

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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.