Home / 320,668,570.80-481,002,856.20-274,752,068.40

Finding the Fourth Proportional to 320,668,570.80, 481,002,856.20 and 274,752,068.40

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Solution

The fourth proportional to 320,668,570.80, 481,002,856.20 and 274,752,068.40 is: 412,128,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,668,570.80 : 481,002,856.20 = 274,752,068.40 : x
  2. Step 2: Convert to fraction form
    320,668,570.80/481,002,856.20 = 274,752,068.40/x
  3. Step 3: Cross multiply
    320,668,570.80x = 481,002,856.20 × 274,752,068.40
  4. Step 4: Simplify right side
    320,668,570.80x = 132,156,529,647,257,744
  5. Step 5: Solve for x
    x = 132,156,529,647,257,744/320,668,570.80
  6. Step 6: Final answer
    x = 412,128,102.60

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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.