Home / 726,703,228.80-1,088,755,765.20-442,244,512.80

Finding the Fourth Proportional to 726,703,228.80, 1,088,755,765.20 and 442,244,512.80

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Solution

The fourth proportional to 726,703,228.80, 1,088,755,765.20 and 442,244,512.80 is: 662,576,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,703,228.80 : 1,088,755,765.20 = 442,244,512.80 : x
  2. Step 2: Convert to fraction form
    726,703,228.80/1,088,755,765.20 = 442,244,512.80/x
  3. Step 3: Cross multiply
    726,703,228.80x = 1,088,755,765.20 × 442,244,512.80
  4. Step 4: Simplify right side
    726,703,228.80x = 481,496,262,939,065,216
  5. Step 5: Solve for x
    x = 481,496,262,939,065,216/726,703,228.80
  6. Step 6: Final answer
    x = 662,576,198.72

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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.