Home / 272,630,463,310.45-408,945,694,965.68-131,415,695,069.95

Finding the Fourth Proportional to 272,630,463,310.45, 408,945,694,965.68 and 131,415,695,069.95

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Solution

The fourth proportional to 272,630,463,310.45, 408,945,694,965.68 and 131,415,695,069.95 is: 197,123,542,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,630,463,310.45 : 408,945,694,965.68 = 131,415,695,069.95 : x
  2. Step 2: Convert to fraction form
    272,630,463,310.45/408,945,694,965.68 = 131,415,695,069.95/x
  3. Step 3: Cross multiply
    272,630,463,310.45x = 408,945,694,965.68 × 131,415,695,069.95
  4. Step 4: Simplify right side
    272,630,463,310.45x = 53,741,882,749,778,590,171,136
  5. Step 5: Solve for x
    x = 53,741,882,749,778,590,171,136/272,630,463,310.45
  6. Step 6: Final answer
    x = 197,123,542,604.93

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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.