Home / 664,271,738.70-996,407,608.05-255,341,229.90

Finding the Fourth Proportional to 664,271,738.70, 996,407,608.05 and 255,341,229.90

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Solution

The fourth proportional to 664,271,738.70, 996,407,608.05 and 255,341,229.90 is: 383,011,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,271,738.70 : 996,407,608.05 = 255,341,229.90 : x
  2. Step 2: Convert to fraction form
    664,271,738.70/996,407,608.05 = 255,341,229.90/x
  3. Step 3: Cross multiply
    664,271,738.70x = 996,407,608.05 × 255,341,229.90
  4. Step 4: Simplify right side
    664,271,738.70x = 254,423,944,121,204,128
  5. Step 5: Solve for x
    x = 254,423,944,121,204,128/664,271,738.70
  6. Step 6: Final answer
    x = 383,011,844.85

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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.