Home / 449,520,530,022.42-674,320,434,200.43-126,826,167,415.46

Finding the Fourth Proportional to 449,520,530,022.42, 674,320,434,200.43 and 126,826,167,415.46

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Solution

The fourth proportional to 449,520,530,022.42, 674,320,434,200.43 and 126,826,167,415.46 is: 190,250,434,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,520,530,022.42 : 674,320,434,200.43 = 126,826,167,415.46 : x
  2. Step 2: Convert to fraction form
    449,520,530,022.42/674,320,434,200.43 = 126,826,167,415.46/x
  3. Step 3: Cross multiply
    449,520,530,022.42x = 674,320,434,200.43 × 126,826,167,415.46
  4. Step 4: Simplify right side
    449,520,530,022.42x = 85,521,476,279,569,425,104,896
  5. Step 5: Solve for x
    x = 85,521,476,279,569,425,104,896/449,520,530,022.42
  6. Step 6: Final answer
    x = 190,250,434,780.60

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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.