Home / 343,360,458.30-515,040,687.45-329,968,145.10

Finding the Fourth Proportional to 343,360,458.30, 515,040,687.45 and 329,968,145.10

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Solution

The fourth proportional to 343,360,458.30, 515,040,687.45 and 329,968,145.10 is: 494,952,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,360,458.30 : 515,040,687.45 = 329,968,145.10 : x
  2. Step 2: Convert to fraction form
    343,360,458.30/515,040,687.45 = 329,968,145.10/x
  3. Step 3: Cross multiply
    343,360,458.30x = 515,040,687.45 × 329,968,145.10
  4. Step 4: Simplify right side
    343,360,458.30x = 169,947,020,288,905,344
  5. Step 5: Solve for x
    x = 169,947,020,288,905,344/343,360,458.30
  6. Step 6: Final answer
    x = 494,952,217.65

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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.