Home / 496,206,097.20-744,309,145.80-472,397,540.40

Finding the Fourth Proportional to 496,206,097.20, 744,309,145.80 and 472,397,540.40

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Solution

The fourth proportional to 496,206,097.20, 744,309,145.80 and 472,397,540.40 is: 708,596,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,206,097.20 : 744,309,145.80 = 472,397,540.40 : x
  2. Step 2: Convert to fraction form
    496,206,097.20/744,309,145.80 = 472,397,540.40/x
  3. Step 3: Cross multiply
    496,206,097.20x = 744,309,145.80 × 472,397,540.40
  4. Step 4: Simplify right side
    496,206,097.20x = 351,609,809,773,144,960
  5. Step 5: Solve for x
    x = 351,609,809,773,144,960/496,206,097.20
  6. Step 6: Final answer
    x = 708,596,310.60

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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.