Home / 5,147,291,754.47-7,102,694,214.83-2,888,713,234.64

Finding the Fourth Proportional to 5,147,291,754.47, 7,102,694,214.83 and 2,888,713,234.64

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Solution

The fourth proportional to 5,147,291,754.47, 7,102,694,214.83 and 2,888,713,234.64 is: 3,986,105,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,291,754.47 : 7,102,694,214.83 = 2,888,713,234.64 : x
  2. Step 2: Convert to fraction form
    5,147,291,754.47/7,102,694,214.83 = 2,888,713,234.64/x
  3. Step 3: Cross multiply
    5,147,291,754.47x = 7,102,694,214.83 × 2,888,713,234.64
  4. Step 4: Simplify right side
    5,147,291,754.47x = 20,517,646,779,930,427,392
  5. Step 5: Solve for x
    x = 20,517,646,779,930,427,392/5,147,291,754.47
  6. Step 6: Final answer
    x = 3,986,105,268.30

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Double scale
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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.