Home / 490,109,447.55-676,351,156.23-267,091,191.48

Finding the Fourth Proportional to 490,109,447.55, 676,351,156.23 and 267,091,191.48

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Solution

The fourth proportional to 490,109,447.55, 676,351,156.23 and 267,091,191.48 is: 368,585,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,109,447.55 : 676,351,156.23 = 267,091,191.48 : x
  2. Step 2: Convert to fraction form
    490,109,447.55/676,351,156.23 = 267,091,191.48/x
  3. Step 3: Cross multiply
    490,109,447.55x = 676,351,156.23 × 267,091,191.48
  4. Step 4: Simplify right side
    490,109,447.55x = 180,647,436,176,346,336
  5. Step 5: Solve for x
    x = 180,647,436,176,346,336/490,109,447.55
  6. Step 6: Final answer
    x = 368,585,908.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.