Home / 726,093,661.52-1,002,015,647.88-396,070,268.24

Finding the Fourth Proportional to 726,093,661.52, 1,002,015,647.88 and 396,070,268.24

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Solution

The fourth proportional to 726,093,661.52, 1,002,015,647.88 and 396,070,268.24 is: 546,580,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,093,661.52 : 1,002,015,647.88 = 396,070,268.24 : x
  2. Step 2: Convert to fraction form
    726,093,661.52/1,002,015,647.88 = 396,070,268.24/x
  3. Step 3: Cross multiply
    726,093,661.52x = 1,002,015,647.88 × 396,070,268.24
  4. Step 4: Simplify right side
    726,093,661.52x = 396,868,606,436,508,992
  5. Step 5: Solve for x
    x = 396,868,606,436,508,992/726,093,661.52
  6. Step 6: Final answer
    x = 546,580,458.51

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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.