Home / 728,069,479.20-1,092,104,218.80-268,337,584.80

Finding the Fourth Proportional to 728,069,479.20, 1,092,104,218.80 and 268,337,584.80

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Solution

The fourth proportional to 728,069,479.20, 1,092,104,218.80 and 268,337,584.80 is: 402,506,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,069,479.20 : 1,092,104,218.80 = 268,337,584.80 : x
  2. Step 2: Convert to fraction form
    728,069,479.20/1,092,104,218.80 = 268,337,584.80/x
  3. Step 3: Cross multiply
    728,069,479.20x = 1,092,104,218.80 × 268,337,584.80
  4. Step 4: Simplify right side
    728,069,479.20x = 293,052,608,422,682,752
  5. Step 5: Solve for x
    x = 293,052,608,422,682,752/728,069,479.20
  6. Step 6: Final answer
    x = 402,506,377.20

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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.