Home / 887,729,489.33-1,332,120,286.88-494,585,380.85

Finding the Fourth Proportional to 887,729,489.33, 1,332,120,286.88 and 494,585,380.85

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Solution

The fourth proportional to 887,729,489.33, 1,332,120,286.88 and 494,585,380.85 is: 742,171,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,729,489.33 : 1,332,120,286.88 = 494,585,380.85 : x
  2. Step 2: Convert to fraction form
    887,729,489.33/1,332,120,286.88 = 494,585,380.85/x
  3. Step 3: Cross multiply
    887,729,489.33x = 1,332,120,286.88 × 494,585,380.85
  4. Step 4: Simplify right side
    887,729,489.33x = 658,847,219,424,556,160
  5. Step 5: Solve for x
    x = 658,847,219,424,556,160/887,729,489.33
  6. Step 6: Final answer
    x = 742,171,153.87

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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.