Home / 3,149,306,820.30-4,723,960,230.45-1,980,986,925.90

Finding the Fourth Proportional to 3,149,306,820.30, 4,723,960,230.45 and 1,980,986,925.90

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Solution

The fourth proportional to 3,149,306,820.30, 4,723,960,230.45 and 1,980,986,925.90 is: 2,971,480,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,306,820.30 : 4,723,960,230.45 = 1,980,986,925.90 : x
  2. Step 2: Convert to fraction form
    3,149,306,820.30/4,723,960,230.45 = 1,980,986,925.90/x
  3. Step 3: Cross multiply
    3,149,306,820.30x = 4,723,960,230.45 × 1,980,986,925.90
  4. Step 4: Simplify right side
    3,149,306,820.30x = 9,358,103,454,993,000,448
  5. Step 5: Solve for x
    x = 9,358,103,454,993,000,448/3,149,306,820.30
  6. Step 6: Final answer
    x = 2,971,480,388.85

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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.