Home / 664,357,772.80-996,531,410.40-173,070,092.80

Finding the Fourth Proportional to 664,357,772.80, 996,531,410.40 and 173,070,092.80

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Solution

The fourth proportional to 664,357,772.80, 996,531,410.40 and 173,070,092.80 is: 259,603,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,357,772.80 : 996,531,410.40 = 173,070,092.80 : x
  2. Step 2: Convert to fraction form
    664,357,772.80/996,531,410.40 = 173,070,092.80/x
  3. Step 3: Cross multiply
    664,357,772.80x = 996,531,410.40 × 173,070,092.80
  4. Step 4: Simplify right side
    664,357,772.80x = 172,469,783,676,042,880
  5. Step 5: Solve for x
    x = 172,469,783,676,042,880/664,357,772.80
  6. Step 6: Final answer
    x = 259,603,771.85

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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.