Home / 664,357,786.80-996,531,431.40-173,070,106.80

Finding the Fourth Proportional to 664,357,786.80, 996,531,431.40 and 173,070,106.80

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Solution

The fourth proportional to 664,357,786.80, 996,531,431.40 and 173,070,106.80 is: 259,603,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,357,786.80 : 996,531,431.40 = 173,070,106.80 : x
  2. Step 2: Convert to fraction form
    664,357,786.80/996,531,431.40 = 173,070,106.80/x
  3. Step 3: Cross multiply
    664,357,786.80x = 996,531,431.40 × 173,070,106.80
  4. Step 4: Simplify right side
    664,357,786.80x = 172,469,801,261,954,880
  5. Step 5: Solve for x
    x = 172,469,801,261,954,880/664,357,786.80
  6. Step 6: Final answer
    x = 259,603,792.85

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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.