Home / 449,520,530,019.90-674,320,434,196.62-126,826,167,412.89

Finding the Fourth Proportional to 449,520,530,019.90, 674,320,434,196.62 and 126,826,167,412.89

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Solution

The fourth proportional to 449,520,530,019.90, 674,320,434,196.62 and 126,826,167,412.89 is: 190,250,434,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,520,530,019.90 : 674,320,434,196.62 = 126,826,167,412.89 : x
  2. Step 2: Convert to fraction form
    449,520,530,019.90/674,320,434,196.62 = 126,826,167,412.89/x
  3. Step 3: Cross multiply
    449,520,530,019.90x = 674,320,434,196.62 × 126,826,167,412.89
  4. Step 4: Simplify right side
    449,520,530,019.90x = 85,521,476,277,353,205,202,944
  5. Step 5: Solve for x
    x = 85,521,476,277,353,205,202,944/449,520,530,019.90
  6. Step 6: Final answer
    x = 190,250,434,776.73

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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.