Home / 680,665,308.08-1,020,783,794.76-220,496,713.52

Finding the Fourth Proportional to 680,665,308.08, 1,020,783,794.76 and 220,496,713.52

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Solution

The fourth proportional to 680,665,308.08, 1,020,783,794.76 and 220,496,713.52 is: 330,675,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,665,308.08 : 1,020,783,794.76 = 220,496,713.52 : x
  2. Step 2: Convert to fraction form
    680,665,308.08/1,020,783,794.76 = 220,496,713.52/x
  3. Step 3: Cross multiply
    680,665,308.08x = 1,020,783,794.76 × 220,496,713.52
  4. Step 4: Simplify right side
    680,665,308.08x = 225,079,471,959,054,208
  5. Step 5: Solve for x
    x = 225,079,471,959,054,208/680,665,308.08
  6. Step 6: Final answer
    x = 330,675,692.28

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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.