Home / 3,078,629,467.20-4,617,944,200.80-2,691,208,978.20

Finding the Fourth Proportional to 3,078,629,467.20, 4,617,944,200.80 and 2,691,208,978.20

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Solution

The fourth proportional to 3,078,629,467.20, 4,617,944,200.80 and 2,691,208,978.20 is: 4,036,813,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,629,467.20 : 4,617,944,200.80 = 2,691,208,978.20 : x
  2. Step 2: Convert to fraction form
    3,078,629,467.20/4,617,944,200.80 = 2,691,208,978.20/x
  3. Step 3: Cross multiply
    3,078,629,467.20x = 4,617,944,200.80 × 2,691,208,978.20
  4. Step 4: Simplify right side
    3,078,629,467.20x = 12,427,852,894,019,584,000
  5. Step 5: Solve for x
    x = 12,427,852,894,019,584,000/3,078,629,467.20
  6. Step 6: Final answer
    x = 4,036,813,467.30

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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.