Home / 979,797,612.80-1,469,822,390.40-488,761,875.20

Finding the Fourth Proportional to 979,797,612.80, 1,469,822,390.40 and 488,761,875.20

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Solution

The fourth proportional to 979,797,612.80, 1,469,822,390.40 and 488,761,875.20 is: 733,205,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,797,612.80 : 1,469,822,390.40 = 488,761,875.20 : x
  2. Step 2: Convert to fraction form
    979,797,612.80/1,469,822,390.40 = 488,761,875.20/x
  3. Step 3: Cross multiply
    979,797,612.80x = 1,469,822,390.40 × 488,761,875.20
  4. Step 4: Simplify right side
    979,797,612.80x = 718,393,147,742,850,560
  5. Step 5: Solve for x
    x = 718,393,147,742,850,560/979,797,612.80
  6. Step 6: Final answer
    x = 733,205,652.23

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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.