Home / 214,317,215,753.95-321,475,823,520.21-80,022,193,594.82

Finding the Fourth Proportional to 214,317,215,753.95, 321,475,823,520.21 and 80,022,193,594.82

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Solution

The fourth proportional to 214,317,215,753.95, 321,475,823,520.21 and 80,022,193,594.82 is: 120,033,290,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,317,215,753.95 : 321,475,823,520.21 = 80,022,193,594.82 : x
  2. Step 2: Convert to fraction form
    214,317,215,753.95/321,475,823,520.21 = 80,022,193,594.82/x
  3. Step 3: Cross multiply
    214,317,215,753.95x = 321,475,823,520.21 × 80,022,193,594.82
  4. Step 4: Simplify right side
    214,317,215,753.95x = 25,725,200,585,788,439,396,352
  5. Step 5: Solve for x
    x = 25,725,200,585,788,439,396,352/214,317,215,753.95
  6. Step 6: Final answer
    x = 120,033,290,350.89

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1.5x scale

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.