Home / 272,630,463,744.20-408,945,695,616.30-131,415,695,503.70

Finding the Fourth Proportional to 272,630,463,744.20, 408,945,695,616.30 and 131,415,695,503.70

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Solution

The fourth proportional to 272,630,463,744.20, 408,945,695,616.30 and 131,415,695,503.70 is: 197,123,543,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,630,463,744.20 : 408,945,695,616.30 = 131,415,695,503.70 : x
  2. Step 2: Convert to fraction form
    272,630,463,744.20/408,945,695,616.30 = 131,415,695,503.70/x
  3. Step 3: Cross multiply
    272,630,463,744.20x = 408,945,695,616.30 × 131,415,695,503.70
  4. Step 4: Simplify right side
    272,630,463,744.20x = 53,741,883,012,660,460,519,424
  5. Step 5: Solve for x
    x = 53,741,883,012,660,460,519,424/272,630,463,744.20
  6. Step 6: Final answer
    x = 197,123,543,255.55

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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.