Home / 1,517,014,891.80-2,275,673,896.80-411,637,294.80

Finding the Fourth Proportional to 1,517,014,891.80, 2,275,673,896.80 and 411,637,294.80

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Solution

The fourth proportional to 1,517,014,891.80, 2,275,673,896.80 and 411,637,294.80 is: 617,497,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,014,891.80 : 2,275,673,896.80 = 411,637,294.80 : x
  2. Step 2: Convert to fraction form
    1,517,014,891.80/2,275,673,896.80 = 411,637,294.80/x
  3. Step 3: Cross multiply
    1,517,014,891.80x = 2,275,673,896.80 × 411,637,294.80
  4. Step 4: Simplify right side
    1,517,014,891.80x = 936,752,246,725,726,464
  5. Step 5: Solve for x
    x = 936,752,246,725,726,464/1,517,014,891.80
  6. Step 6: Final answer
    x = 617,497,067.29

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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.