Home / 271,554,405.20-407,594,671.12-256,806,917.44

Finding the Fourth Proportional to 271,554,405.20, 407,594,671.12 and 256,806,917.44

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Solution

The fourth proportional to 271,554,405.20, 407,594,671.12 and 256,806,917.44 is: 385,459,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,554,405.20 : 407,594,671.12 = 256,806,917.44 : x
  2. Step 2: Convert to fraction form
    271,554,405.20/407,594,671.12 = 256,806,917.44/x
  3. Step 3: Cross multiply
    271,554,405.20x = 407,594,671.12 × 256,806,917.44
  4. Step 4: Simplify right side
    271,554,405.20x = 104,673,131,055,297,792
  5. Step 5: Solve for x
    x = 104,673,131,055,297,792/271,554,405.20
  6. Step 6: Final answer
    x = 385,459,153.12

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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.