Home / 272,630,463,311.45-408,945,694,967.18-131,415,695,070.95

Finding the Fourth Proportional to 272,630,463,311.45, 408,945,694,967.18 and 131,415,695,070.95

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Solution

The fourth proportional to 272,630,463,311.45, 408,945,694,967.18 and 131,415,695,070.95 is: 197,123,542,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,630,463,311.45 : 408,945,694,967.18 = 131,415,695,070.95 : x
  2. Step 2: Convert to fraction form
    272,630,463,311.45/408,945,694,967.18 = 131,415,695,070.95/x
  3. Step 3: Cross multiply
    272,630,463,311.45x = 408,945,694,967.18 × 131,415,695,070.95
  4. Step 4: Simplify right side
    272,630,463,311.45x = 53,741,882,750,384,658,710,528
  5. Step 5: Solve for x
    x = 53,741,882,750,384,658,710,528/272,630,463,311.45
  6. Step 6: Final answer
    x = 197,123,542,606.43

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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.