Home / 5,247,482,750.20-7,874,247,434.10-1,978,278,167.80

Finding the Fourth Proportional to 5,247,482,750.20, 7,874,247,434.10 and 1,978,278,167.80

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Solution

The fourth proportional to 5,247,482,750.20, 7,874,247,434.10 and 1,978,278,167.80 is: 2,968,557,025.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247,482,750.20 : 7,874,247,434.10 = 1,978,278,167.80 : x
  2. Step 2: Convert to fraction form
    5,247,482,750.20/7,874,247,434.10 = 1,978,278,167.80/x
  3. Step 3: Cross multiply
    5,247,482,750.20x = 7,874,247,434.10 × 1,978,278,167.80
  4. Step 4: Simplify right side
    5,247,482,750.20x = 15,577,451,786,735,200,256
  5. Step 5: Solve for x
    x = 15,577,451,786,735,200,256/5,247,482,750.20
  6. Step 6: Final answer
    x = 2,968,557,025.96

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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.