Home / 728,937,626.40-1,093,454,924.31-256,179,492.54

Finding the Fourth Proportional to 728,937,626.40, 1,093,454,924.31 and 256,179,492.54

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Solution

The fourth proportional to 728,937,626.40, 1,093,454,924.31 and 256,179,492.54 is: 384,286,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,937,626.40 : 1,093,454,924.31 = 256,179,492.54 : x
  2. Step 2: Convert to fraction form
    728,937,626.40/1,093,454,924.31 = 256,179,492.54/x
  3. Step 3: Cross multiply
    728,937,626.40x = 1,093,454,924.31 × 256,179,492.54
  4. Step 4: Simplify right side
    728,937,626.40x = 280,120,727,625,099,872
  5. Step 5: Solve for x
    x = 280,120,727,625,099,872/728,937,626.40
  6. Step 6: Final answer
    x = 384,286,278.39

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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.