Home / 680,041,979,390.55-1,020,206,250,393.10-220,540,820,207.96

Finding the Fourth Proportional to 680,041,979,390.55, 1,020,206,250,393.10 and 220,540,820,207.96

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Solution

The fourth proportional to 680,041,979,390.55, 1,020,206,250,393.10 and 220,540,820,207.96 is: 330,857,697,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,041,979,390.55 : 1,020,206,250,393.10 = 220,540,820,207.96 : x
  2. Step 2: Convert to fraction form
    680,041,979,390.55/1,020,206,250,393.10 = 220,540,820,207.96/x
  3. Step 3: Cross multiply
    680,041,979,390.55x = 1,020,206,250,393.10 × 220,540,820,207.96
  4. Step 4: Simplify right side
    680,041,979,390.55x = 224,997,123,242,981,670,780,928
  5. Step 5: Solve for x
    x = 224,997,123,242,981,670,780,928/680,041,979,390.55
  6. Step 6: Final answer
    x = 330,857,697,115.44

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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.