Home / 705,028,640.20-1,057,542,960.30-220,353,670.60

Finding the Fourth Proportional to 705,028,640.20, 1,057,542,960.30 and 220,353,670.60

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Solution

The fourth proportional to 705,028,640.20, 1,057,542,960.30 and 220,353,670.60 is: 330,530,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,028,640.20 : 1,057,542,960.30 = 220,353,670.60 : x
  2. Step 2: Convert to fraction form
    705,028,640.20/1,057,542,960.30 = 220,353,670.60/x
  3. Step 3: Cross multiply
    705,028,640.20x = 1,057,542,960.30 × 220,353,670.60
  4. Step 4: Simplify right side
    705,028,640.20x = 233,033,473,119,295,072
  5. Step 5: Solve for x
    x = 233,033,473,119,295,072/705,028,640.20
  6. Step 6: Final answer
    x = 330,530,505.90

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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.