Home / 788,180,438.70-1,182,270,658.05-497,942,793.90

Finding the Fourth Proportional to 788,180,438.70, 1,182,270,658.05 and 497,942,793.90

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Solution

The fourth proportional to 788,180,438.70, 1,182,270,658.05 and 497,942,793.90 is: 746,914,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,180,438.70 : 1,182,270,658.05 = 497,942,793.90 : x
  2. Step 2: Convert to fraction form
    788,180,438.70/1,182,270,658.05 = 497,942,793.90/x
  3. Step 3: Cross multiply
    788,180,438.70x = 1,182,270,658.05 × 497,942,793.90
  4. Step 4: Simplify right side
    788,180,438.70x = 588,703,154,615,408,512
  5. Step 5: Solve for x
    x = 588,703,154,615,408,512/788,180,438.70
  6. Step 6: Final answer
    x = 746,914,190.85

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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.