Home / 320,673,634.80-481,010,452.20-274,757,132.40

Finding the Fourth Proportional to 320,673,634.80, 481,010,452.20 and 274,757,132.40

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Solution

The fourth proportional to 320,673,634.80, 481,010,452.20 and 274,757,132.40 is: 412,135,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,673,634.80 : 481,010,452.20 = 274,757,132.40 : x
  2. Step 2: Convert to fraction form
    320,673,634.80/481,010,452.20 = 274,757,132.40/x
  3. Step 3: Cross multiply
    320,673,634.80x = 481,010,452.20 × 274,757,132.40
  4. Step 4: Simplify right side
    320,673,634.80x = 132,161,052,500,899,264
  5. Step 5: Solve for x
    x = 132,161,052,500,899,264/320,673,634.80
  6. Step 6: Final answer
    x = 412,135,698.60

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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.