Home / 327,760,846.20-491,641,269.30-287,450,062.20

Finding the Fourth Proportional to 327,760,846.20, 491,641,269.30 and 287,450,062.20

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Solution

The fourth proportional to 327,760,846.20, 491,641,269.30 and 287,450,062.20 is: 431,175,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,760,846.20 : 491,641,269.30 = 287,450,062.20 : x
  2. Step 2: Convert to fraction form
    327,760,846.20/491,641,269.30 = 287,450,062.20/x
  3. Step 3: Cross multiply
    327,760,846.20x = 491,641,269.30 × 287,450,062.20
  4. Step 4: Simplify right side
    327,760,846.20x = 141,322,313,440,371,952
  5. Step 5: Solve for x
    x = 141,322,313,440,371,952/327,760,846.20
  6. Step 6: Final answer
    x = 431,175,093.30

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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.