Home / 266,235,067.20-399,949,797.60-256,082,721.60

Finding the Fourth Proportional to 266,235,067.20, 399,949,797.60 and 256,082,721.60

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Solution

The fourth proportional to 266,235,067.20, 399,949,797.60 and 256,082,721.60 is: 384,698,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,235,067.20 : 399,949,797.60 = 256,082,721.60 : x
  2. Step 2: Convert to fraction form
    266,235,067.20/399,949,797.60 = 256,082,721.60/x
  3. Step 3: Cross multiply
    266,235,067.20x = 399,949,797.60 × 256,082,721.60
  4. Step 4: Simplify right side
    266,235,067.20x = 102,420,232,672,777,152
  5. Step 5: Solve for x
    x = 102,420,232,672,777,152/266,235,067.20
  6. Step 6: Final answer
    x = 384,698,506.29

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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.