Home / 664,271,738.20-996,407,607.30-255,341,229.40

Finding the Fourth Proportional to 664,271,738.20, 996,407,607.30 and 255,341,229.40

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Solution

The fourth proportional to 664,271,738.20, 996,407,607.30 and 255,341,229.40 is: 383,011,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,271,738.20 : 996,407,607.30 = 255,341,229.40 : x
  2. Step 2: Convert to fraction form
    664,271,738.20/996,407,607.30 = 255,341,229.40/x
  3. Step 3: Cross multiply
    664,271,738.20x = 996,407,607.30 × 255,341,229.40
  4. Step 4: Simplify right side
    664,271,738.20x = 254,423,943,431,494,400
  5. Step 5: Solve for x
    x = 254,423,943,431,494,400/664,271,738.20
  6. Step 6: Final answer
    x = 383,011,844.10

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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.