Home / 7,965,682,109.12-10,992,676,420.96-4,397,418,336.56

Finding the Fourth Proportional to 7,965,682,109.12, 10,992,676,420.96 and 4,397,418,336.56

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Solution

The fourth proportional to 7,965,682,109.12, 10,992,676,420.96 and 4,397,418,336.56 is: 6,068,456,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,682,109.12 : 10,992,676,420.96 = 4,397,418,336.56 : x
  2. Step 2: Convert to fraction form
    7,965,682,109.12/10,992,676,420.96 = 4,397,418,336.56/x
  3. Step 3: Cross multiply
    7,965,682,109.12x = 10,992,676,420.96 × 4,397,418,336.56
  4. Step 4: Simplify right side
    7,965,682,109.12x = 48,339,396,861,400,260,608
  5. Step 5: Solve for x
    x = 48,339,396,861,400,260,608/7,965,682,109.12
  6. Step 6: Final answer
    x = 6,068,456,686.97

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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.