Home / 272,630,463,739.20-408,945,695,608.80-131,415,695,498.70

Finding the Fourth Proportional to 272,630,463,739.20, 408,945,695,608.80 and 131,415,695,498.70

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Solution

The fourth proportional to 272,630,463,739.20, 408,945,695,608.80 and 131,415,695,498.70 is: 197,123,543,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,630,463,739.20 : 408,945,695,608.80 = 131,415,695,498.70 : x
  2. Step 2: Convert to fraction form
    272,630,463,739.20/408,945,695,608.80 = 131,415,695,498.70/x
  3. Step 3: Cross multiply
    272,630,463,739.20x = 408,945,695,608.80 × 131,415,695,498.70
  4. Step 4: Simplify right side
    272,630,463,739.20x = 53,741,883,009,630,117,822,464
  5. Step 5: Solve for x
    x = 53,741,883,009,630,117,822,464/272,630,463,739.20
  6. Step 6: Final answer
    x = 197,123,543,248.05

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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.