Home / 1,067,647,719.20-1,601,471,578.80-657,373,517.60

Finding the Fourth Proportional to 1,067,647,719.20, 1,601,471,578.80 and 657,373,517.60

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Solution

The fourth proportional to 1,067,647,719.20, 1,601,471,578.80 and 657,373,517.60 is: 986,060,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,647,719.20 : 1,601,471,578.80 = 657,373,517.60 : x
  2. Step 2: Convert to fraction form
    1,067,647,719.20/1,601,471,578.80 = 657,373,517.60/x
  3. Step 3: Cross multiply
    1,067,647,719.20x = 1,601,471,578.80 × 657,373,517.60
  4. Step 4: Simplify right side
    1,067,647,719.20x = 1,052,765,005,092,181,632
  5. Step 5: Solve for x
    x = 1,052,765,005,092,181,632/1,067,647,719.20
  6. Step 6: Final answer
    x = 986,060,276.40

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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.