Home / 271,957,840,004.80-407,936,760,007.20-215,143,821,035.20

Finding the Fourth Proportional to 271,957,840,004.80, 407,936,760,007.20 and 215,143,821,035.20

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Solution

The fourth proportional to 271,957,840,004.80, 407,936,760,007.20 and 215,143,821,035.20 is: 322,715,731,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,957,840,004.80 : 407,936,760,007.20 = 215,143,821,035.20 : x
  2. Step 2: Convert to fraction form
    271,957,840,004.80/407,936,760,007.20 = 215,143,821,035.20/x
  3. Step 3: Cross multiply
    271,957,840,004.80x = 407,936,760,007.20 × 215,143,821,035.20
  4. Step 4: Simplify right side
    271,957,840,004.80x = 87,765,073,288,668,379,086,848
  5. Step 5: Solve for x
    x = 87,765,073,288,668,379,086,848/271,957,840,004.80
  6. Step 6: Final answer
    x = 322,715,731,552.80

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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.