Home / 3,147,898,149.32-4,342,530,410.88-1,876,842,705.20

Finding the Fourth Proportional to 3,147,898,149.32, 4,342,530,410.88 and 1,876,842,705.20

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Solution

The fourth proportional to 3,147,898,149.32, 4,342,530,410.88 and 1,876,842,705.20 is: 2,589,107,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,898,149.32 : 4,342,530,410.88 = 1,876,842,705.20 : x
  2. Step 2: Convert to fraction form
    3,147,898,149.32/4,342,530,410.88 = 1,876,842,705.20/x
  3. Step 3: Cross multiply
    3,147,898,149.32x = 4,342,530,410.88 × 1,876,842,705.20
  4. Step 4: Simplify right side
    3,147,898,149.32x = 8,150,246,523,769,286,656
  5. Step 5: Solve for x
    x = 8,150,246,523,769,286,656/3,147,898,149.32
  6. Step 6: Final answer
    x = 2,589,107,441.59

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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.