Home / 728,937,514.98-1,093,454,757.25-256,179,381.21

Finding the Fourth Proportional to 728,937,514.98, 1,093,454,757.25 and 256,179,381.21

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Solution

The fourth proportional to 728,937,514.98, 1,093,454,757.25 and 256,179,381.21 is: 384,286,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,937,514.98 : 1,093,454,757.25 = 256,179,381.21 : x
  2. Step 2: Convert to fraction form
    728,937,514.98/1,093,454,757.25 = 256,179,381.21/x
  3. Step 3: Cross multiply
    728,937,514.98x = 1,093,454,757.25 × 256,179,381.21
  4. Step 4: Simplify right side
    728,937,514.98x = 280,120,563,092,795,296
  5. Step 5: Solve for x
    x = 280,120,563,092,795,296/728,937,514.98
  6. Step 6: Final answer
    x = 384,286,111.41

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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.