Home / 680,160,736.20-1,020,241,104.30-220,145,406.60

Finding the Fourth Proportional to 680,160,736.20, 1,020,241,104.30 and 220,145,406.60

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Solution

The fourth proportional to 680,160,736.20, 1,020,241,104.30 and 220,145,406.60 is: 330,218,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,160,736.20 : 1,020,241,104.30 = 220,145,406.60 : x
  2. Step 2: Convert to fraction form
    680,160,736.20/1,020,241,104.30 = 220,145,406.60/x
  3. Step 3: Cross multiply
    680,160,736.20x = 1,020,241,104.30 × 220,145,406.60
  4. Step 4: Simplify right side
    680,160,736.20x = 224,601,392,736,156,480
  5. Step 5: Solve for x
    x = 224,601,392,736,156,480/680,160,736.20
  6. Step 6: Final answer
    x = 330,218,109.90

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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.