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Finding the Fourth Proportional to 3,151,873,399.20, 4,727,810,098.80 and 3,151,873,399.20

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Solution

The fourth proportional to 3,151,873,399.20, 4,727,810,098.80 and 3,151,873,399.20 is: 4,727,810,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,873,399.20 : 4,727,810,098.80 = 3,151,873,399.20 : x
  2. Step 2: Convert to fraction form
    3,151,873,399.20/4,727,810,098.80 = 3,151,873,399.20/x
  3. Step 3: Cross multiply
    3,151,873,399.20x = 4,727,810,098.80 × 3,151,873,399.20
  4. Step 4: Simplify right side
    3,151,873,399.20x = 14,901,458,886,876,844,032
  5. Step 5: Solve for x
    x = 14,901,458,886,876,844,032/3,151,873,399.20
  6. Step 6: Final answer
    x = 4,727,810,098.80

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1.5x scale

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.