Home / 3,985,815,649.20-5,978,723,473.80-2,878,080,028.80

Finding the Fourth Proportional to 3,985,815,649.20, 5,978,723,473.80 and 2,878,080,028.80

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Solution

The fourth proportional to 3,985,815,649.20, 5,978,723,473.80 and 2,878,080,028.80 is: 4,317,120,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,815,649.20 : 5,978,723,473.80 = 2,878,080,028.80 : x
  2. Step 2: Convert to fraction form
    3,985,815,649.20/5,978,723,473.80 = 2,878,080,028.80/x
  3. Step 3: Cross multiply
    3,985,815,649.20x = 5,978,723,473.80 × 2,878,080,028.80
  4. Step 4: Simplify right side
    3,985,815,649.20x = 17,207,244,627,661,541,376
  5. Step 5: Solve for x
    x = 17,207,244,627,661,541,376/3,985,815,649.20
  6. Step 6: Final answer
    x = 4,317,120,043.20

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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.