Home / 664,010,942.96-996,361,122.20-270,826,228.89

Finding the Fourth Proportional to 664,010,942.96, 996,361,122.20 and 270,826,228.89

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Solution

The fourth proportional to 664,010,942.96, 996,361,122.20 and 270,826,228.89 is: 406,379,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,010,942.96 : 996,361,122.20 = 270,826,228.89 : x
  2. Step 2: Convert to fraction form
    664,010,942.96/996,361,122.20 = 270,826,228.89/x
  3. Step 3: Cross multiply
    664,010,942.96x = 996,361,122.20 × 270,826,228.89
  4. Step 4: Simplify right side
    664,010,942.96x = 269,840,725,336,680,320
  5. Step 5: Solve for x
    x = 269,840,725,336,680,320/664,010,942.96
  6. Step 6: Final answer
    x = 406,379,937.25

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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.