Home / 3,565,377,249.72-4,920,028,540.92-1,979,367,057.24

Finding the Fourth Proportional to 3,565,377,249.72, 4,920,028,540.92 and 1,979,367,057.24

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Solution

The fourth proportional to 3,565,377,249.72, 4,920,028,540.92 and 1,979,367,057.24 is: 2,731,419,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565,377,249.72 : 4,920,028,540.92 = 1,979,367,057.24 : x
  2. Step 2: Convert to fraction form
    3,565,377,249.72/4,920,028,540.92 = 1,979,367,057.24/x
  3. Step 3: Cross multiply
    3,565,377,249.72x = 4,920,028,540.92 × 1,979,367,057.24
  4. Step 4: Simplify right side
    3,565,377,249.72x = 9,738,542,414,577,631,232
  5. Step 5: Solve for x
    x = 9,738,542,414,577,631,232/3,565,377,249.72
  6. Step 6: Final answer
    x = 2,731,419,912.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.