Home / 673,948,132.20-1,010,922,198.30-488,847,231.90

Finding the Fourth Proportional to 673,948,132.20, 1,010,922,198.30 and 488,847,231.90

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Solution

The fourth proportional to 673,948,132.20, 1,010,922,198.30 and 488,847,231.90 is: 733,270,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,948,132.20 : 1,010,922,198.30 = 488,847,231.90 : x
  2. Step 2: Convert to fraction form
    673,948,132.20/1,010,922,198.30 = 488,847,231.90/x
  3. Step 3: Cross multiply
    673,948,132.20x = 1,010,922,198.30 × 488,847,231.90
  4. Step 4: Simplify right side
    673,948,132.20x = 494,186,518,305,217,856
  5. Step 5: Solve for x
    x = 494,186,518,305,217,856/673,948,132.20
  6. Step 6: Final answer
    x = 733,270,847.85

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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.