Home / 2,278,976,846.40-3,422,377,344.83-1,398,830,515.92

Finding the Fourth Proportional to 2,278,976,846.40, 3,422,377,344.83 and 1,398,830,515.92

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Solution

The fourth proportional to 2,278,976,846.40, 3,422,377,344.83 and 1,398,830,515.92 is: 2,100,646,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,976,846.40 : 3,422,377,344.83 = 1,398,830,515.92 : x
  2. Step 2: Convert to fraction form
    2,278,976,846.40/3,422,377,344.83 = 1,398,830,515.92/x
  3. Step 3: Cross multiply
    2,278,976,846.40x = 3,422,377,344.83 × 1,398,830,515.92
  4. Step 4: Simplify right side
    2,278,976,846.40x = 4,787,325,866,941,468,672
  5. Step 5: Solve for x
    x = 4,787,325,866,941,468,672/2,278,976,846.40
  6. Step 6: Final answer
    x = 2,100,646,996.26

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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.