Home / 449,520,530,022.45-674,320,434,200.45-126,826,167,415.43

Finding the Fourth Proportional to 449,520,530,022.45, 674,320,434,200.45 and 126,826,167,415.43

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Solution

The fourth proportional to 449,520,530,022.45, 674,320,434,200.45 and 126,826,167,415.43 is: 190,250,434,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,520,530,022.45 : 674,320,434,200.45 = 126,826,167,415.43 : x
  2. Step 2: Convert to fraction form
    449,520,530,022.45/674,320,434,200.45 = 126,826,167,415.43/x
  3. Step 3: Cross multiply
    449,520,530,022.45x = 674,320,434,200.45 × 126,826,167,415.43
  4. Step 4: Simplify right side
    449,520,530,022.45x = 85,521,476,279,551,708,364,800
  5. Step 5: Solve for x
    x = 85,521,476,279,551,708,364,800/449,520,530,022.45
  6. Step 6: Final answer
    x = 190,250,434,780.54

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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.