Home / 320,668,003.80-481,002,005.70-274,751,501.40

Finding the Fourth Proportional to 320,668,003.80, 481,002,005.70 and 274,751,501.40

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Solution

The fourth proportional to 320,668,003.80, 481,002,005.70 and 274,751,501.40 is: 412,127,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,668,003.80 : 481,002,005.70 = 274,751,501.40 : x
  2. Step 2: Convert to fraction form
    320,668,003.80/481,002,005.70 = 274,751,501.40/x
  3. Step 3: Cross multiply
    320,668,003.80x = 481,002,005.70 × 274,751,501.40
  4. Step 4: Simplify right side
    320,668,003.80x = 132,156,023,242,486,336
  5. Step 5: Solve for x
    x = 132,156,023,242,486,336/320,668,003.80
  6. Step 6: Final answer
    x = 412,127,252.10

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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.