Home / 664,273,219.80-996,404,580.90-172,985,539.80

Finding the Fourth Proportional to 664,273,219.80, 996,404,580.90 and 172,985,539.80

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Solution

The fourth proportional to 664,273,219.80, 996,404,580.90 and 172,985,539.80 is: 259,476,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,273,219.80 : 996,404,580.90 = 172,985,539.80 : x
  2. Step 2: Convert to fraction form
    664,273,219.80/996,404,580.90 = 172,985,539.80/x
  3. Step 3: Cross multiply
    664,273,219.80x = 996,404,580.90 × 172,985,539.80
  4. Step 4: Simplify right side
    664,273,219.80x = 172,363,584,286,179,264
  5. Step 5: Solve for x
    x = 172,363,584,286,179,264/664,273,219.80
  6. Step 6: Final answer
    x = 259,476,942.84

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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.