Home / 725,855,860,378.80-1,001,675,991,654.50-396,258,898,542.54

Finding the Fourth Proportional to 725,855,860,378.80, 1,001,675,991,654.50 and 396,258,898,542.54

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Solution

The fourth proportional to 725,855,860,378.80, 1,001,675,991,654.50 and 396,258,898,542.54 is: 546,834,498,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,855,860,378.80 : 1,001,675,991,654.50 = 396,258,898,542.54 : x
  2. Step 2: Convert to fraction form
    725,855,860,378.80/1,001,675,991,654.50 = 396,258,898,542.54/x
  3. Step 3: Cross multiply
    725,855,860,378.80x = 1,001,675,991,654.50 × 396,258,898,542.54
  4. Step 4: Simplify right side
    725,855,860,378.80x = 396,923,025,149,518,608,859,136
  5. Step 5: Solve for x
    x = 396,923,025,149,518,608,859,136/725,855,860,378.80
  6. Step 6: Final answer
    x = 546,834,498,163.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.