Home / 300,950,202,793.78-415,311,347,645.74-165,619,383,229.95

Finding the Fourth Proportional to 300,950,202,793.78, 415,311,347,645.74 and 165,619,383,229.95

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Solution

The fourth proportional to 300,950,202,793.78, 415,311,347,645.74 and 165,619,383,229.95 is: 228,554,786,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,950,202,793.78 : 415,311,347,645.74 = 165,619,383,229.95 : x
  2. Step 2: Convert to fraction form
    300,950,202,793.78/415,311,347,645.74 = 165,619,383,229.95/x
  3. Step 3: Cross multiply
    300,950,202,793.78x = 415,311,347,645.74 × 165,619,383,229.95
  4. Step 4: Simplify right side
    300,950,202,793.78x = 68,783,609,245,486,806,990,848
  5. Step 5: Solve for x
    x = 68,783,609,245,486,806,990,848/300,950,202,793.78
  6. Step 6: Final answer
    x = 228,554,786,163.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.