Home / 664,271,754.20-996,407,631.30-255,341,245.40

Finding the Fourth Proportional to 664,271,754.20, 996,407,631.30 and 255,341,245.40

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Solution

The fourth proportional to 664,271,754.20, 996,407,631.30 and 255,341,245.40 is: 383,011,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,271,754.20 : 996,407,631.30 = 255,341,245.40 : x
  2. Step 2: Convert to fraction form
    664,271,754.20/996,407,631.30 = 255,341,245.40/x
  3. Step 3: Cross multiply
    664,271,754.20x = 996,407,631.30 × 255,341,245.40
  4. Step 4: Simplify right side
    664,271,754.20x = 254,423,965,502,206,016
  5. Step 5: Solve for x
    x = 254,423,965,502,206,016/664,271,754.20
  6. Step 6: Final answer
    x = 383,011,868.10

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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.