Home / 320,668,830.30-481,286,680.65-274,752,327.90

Finding the Fourth Proportional to 320,668,830.30, 481,286,680.65 and 274,752,327.90

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Solution

The fourth proportional to 320,668,830.30, 481,286,680.65 and 274,752,327.90 is: 412,371,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,668,830.30 : 481,286,680.65 = 274,752,327.90 : x
  2. Step 2: Convert to fraction form
    320,668,830.30/481,286,680.65 = 274,752,327.90/x
  3. Step 3: Cross multiply
    320,668,830.30x = 481,286,680.65 × 274,752,327.90
  4. Step 4: Simplify right side
    320,668,830.30x = 132,234,635,895,851,360
  5. Step 5: Solve for x
    x = 132,234,635,895,851,360/320,668,830.30
  6. Step 6: Final answer
    x = 412,371,342.02

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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.