Home / 847,149,156.80-1,270,723,735.20-301,693,860.80

Finding the Fourth Proportional to 847,149,156.80, 1,270,723,735.20 and 301,693,860.80

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Solution

The fourth proportional to 847,149,156.80, 1,270,723,735.20 and 301,693,860.80 is: 452,540,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,149,156.80 : 1,270,723,735.20 = 301,693,860.80 : x
  2. Step 2: Convert to fraction form
    847,149,156.80/1,270,723,735.20 = 301,693,860.80/x
  3. Step 3: Cross multiply
    847,149,156.80x = 1,270,723,735.20 × 301,693,860.80
  4. Step 4: Simplify right side
    847,149,156.80x = 383,369,549,682,684,864
  5. Step 5: Solve for x
    x = 383,369,549,682,684,864/847,149,156.80
  6. Step 6: Final answer
    x = 452,540,791.20

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Similar ratio
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1.5x scale

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.