Home / 8,384,538,422.52-12,572,088,370.74-2,785,477,993.56

Finding the Fourth Proportional to 8,384,538,422.52, 12,572,088,370.74 and 2,785,477,993.56

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Solution

The fourth proportional to 8,384,538,422.52, 12,572,088,370.74 and 2,785,477,993.56 is: 4,176,649,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384,538,422.52 : 12,572,088,370.74 = 2,785,477,993.56 : x
  2. Step 2: Convert to fraction form
    8,384,538,422.52/12,572,088,370.74 = 2,785,477,993.56/x
  3. Step 3: Cross multiply
    8,384,538,422.52x = 12,572,088,370.74 × 2,785,477,993.56
  4. Step 4: Simplify right side
    8,384,538,422.52x = 35,019,275,489,787,863,040
  5. Step 5: Solve for x
    x = 35,019,275,489,787,863,040/8,384,538,422.52
  6. Step 6: Final answer
    x = 4,176,649,175.55

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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.