Home / 2,251,260,837-3,106,740,249.56-1,247,743,191.80

Finding the Fourth Proportional to 2,251,260,837, 3,106,740,249.56 and 1,247,743,191.80

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Solution

The fourth proportional to 2,251,260,837, 3,106,740,249.56 and 1,247,743,191.80 is: 1,721,885,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,260,837 : 3,106,740,249.56 = 1,247,743,191.80 : x
  2. Step 2: Convert to fraction form
    2,251,260,837/3,106,740,249.56 = 1,247,743,191.80/x
  3. Step 3: Cross multiply
    2,251,260,837x = 3,106,740,249.56 × 1,247,743,191.80
  4. Step 4: Simplify right side
    2,251,260,837x = 3,876,413,995,079,522,816
  5. Step 5: Solve for x
    x = 3,876,413,995,079,522,816/2,251,260,837
  6. Step 6: Final answer
    x = 1,721,885,767.91

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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.