Home / 271,296,999.70-406,945,499.55-260,715,418.90

Finding the Fourth Proportional to 271,296,999.70, 406,945,499.55 and 260,715,418.90

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Solution

The fourth proportional to 271,296,999.70, 406,945,499.55 and 260,715,418.90 is: 391,073,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,296,999.70 : 406,945,499.55 = 260,715,418.90 : x
  2. Step 2: Convert to fraction form
    271,296,999.70/406,945,499.55 = 260,715,418.90/x
  3. Step 3: Cross multiply
    271,296,999.70x = 406,945,499.55 × 260,715,418.90
  4. Step 4: Simplify right side
    271,296,999.70x = 106,096,966,384,648,016
  5. Step 5: Solve for x
    x = 106,096,966,384,648,016/271,296,999.70
  6. Step 6: Final answer
    x = 391,073,128.35

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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.