Home / 320,669,381.80-481,004,072.70-274,752,879.40

Finding the Fourth Proportional to 320,669,381.80, 481,004,072.70 and 274,752,879.40

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Solution

The fourth proportional to 320,669,381.80, 481,004,072.70 and 274,752,879.40 is: 412,129,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,669,381.80 : 481,004,072.70 = 274,752,879.40 : x
  2. Step 2: Convert to fraction form
    320,669,381.80/481,004,072.70 = 274,752,879.40/x
  3. Step 3: Cross multiply
    320,669,381.80x = 481,004,072.70 × 274,752,879.40
  4. Step 4: Simplify right side
    320,669,381.80x = 132,157,253,977,451,920
  5. Step 5: Solve for x
    x = 132,157,253,977,451,920/320,669,381.80
  6. Step 6: Final answer
    x = 412,129,319.10

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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.