Home / 271,966,575.70-407,949,863.55-218,218,863.70

Finding the Fourth Proportional to 271,966,575.70, 407,949,863.55 and 218,218,863.70

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Solution

The fourth proportional to 271,966,575.70, 407,949,863.55 and 218,218,863.70 is: 327,328,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,966,575.70 : 407,949,863.55 = 218,218,863.70 : x
  2. Step 2: Convert to fraction form
    271,966,575.70/407,949,863.55 = 218,218,863.70/x
  3. Step 3: Cross multiply
    271,966,575.70x = 407,949,863.55 × 218,218,863.70
  4. Step 4: Simplify right side
    271,966,575.70x = 89,022,355,670,451,040
  5. Step 5: Solve for x
    x = 89,022,355,670,451,040/271,966,575.70
  6. Step 6: Final answer
    x = 327,328,295.55

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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.