Home / 320,673,639.30-481,010,458.95-274,757,136.90

Finding the Fourth Proportional to 320,673,639.30, 481,010,458.95 and 274,757,136.90

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Solution

The fourth proportional to 320,673,639.30, 481,010,458.95 and 274,757,136.90 is: 412,135,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,673,639.30 : 481,010,458.95 = 274,757,136.90 : x
  2. Step 2: Convert to fraction form
    320,673,639.30/481,010,458.95 = 274,757,136.90/x
  3. Step 3: Cross multiply
    320,673,639.30x = 481,010,458.95 × 274,757,136.90
  4. Step 4: Simplify right side
    320,673,639.30x = 132,161,056,520,056,960
  5. Step 5: Solve for x
    x = 132,161,056,520,056,960/320,673,639.30
  6. Step 6: Final answer
    x = 412,135,705.35

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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.