Home / 378,385,269,993.32-567,579,377,517.52-91,542,866,221.41

Finding the Fourth Proportional to 378,385,269,993.32, 567,579,377,517.52 and 91,542,866,221.41

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Solution

The fourth proportional to 378,385,269,993.32, 567,579,377,517.52 and 91,542,866,221.41 is: 137,314,655,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,385,269,993.32 : 567,579,377,517.52 = 91,542,866,221.41 : x
  2. Step 2: Convert to fraction form
    378,385,269,993.32/567,579,377,517.52 = 91,542,866,221.41/x
  3. Step 3: Cross multiply
    378,385,269,993.32x = 567,579,377,517.52 × 91,542,866,221.41
  4. Step 4: Simplify right side
    378,385,269,993.32x = 51,957,843,026,115,232,268,288
  5. Step 5: Solve for x
    x = 51,957,843,026,115,232,268,288/378,385,269,993.32
  6. Step 6: Final answer
    x = 137,314,655,581.16

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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.