Home / 256,584,458.10-384,876,687.15-252,758,082.90

Finding the Fourth Proportional to 256,584,458.10, 384,876,687.15 and 252,758,082.90

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Solution

The fourth proportional to 256,584,458.10, 384,876,687.15 and 252,758,082.90 is: 379,137,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,584,458.10 : 384,876,687.15 = 252,758,082.90 : x
  2. Step 2: Convert to fraction form
    256,584,458.10/384,876,687.15 = 252,758,082.90/x
  3. Step 3: Cross multiply
    256,584,458.10x = 384,876,687.15 × 252,758,082.90
  4. Step 4: Simplify right side
    256,584,458.10x = 97,280,693,596,937,056
  5. Step 5: Solve for x
    x = 97,280,693,596,937,056/256,584,458.10
  6. Step 6: Final answer
    x = 379,137,124.35

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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.