Home / 279,400,072.10-419,100,108.15-274,865,108.90

Finding the Fourth Proportional to 279,400,072.10, 419,100,108.15 and 274,865,108.90

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Solution

The fourth proportional to 279,400,072.10, 419,100,108.15 and 274,865,108.90 is: 412,297,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,400,072.10 : 419,100,108.15 = 274,865,108.90 : x
  2. Step 2: Convert to fraction form
    279,400,072.10/419,100,108.15 = 274,865,108.90/x
  3. Step 3: Cross multiply
    279,400,072.10x = 419,100,108.15 × 274,865,108.90
  4. Step 4: Simplify right side
    279,400,072.10x = 115,195,996,866,651,504
  5. Step 5: Solve for x
    x = 115,195,996,866,651,504/279,400,072.10
  6. Step 6: Final answer
    x = 412,297,663.35

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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.