Home / 496,438,956.20-744,658,434.30-442,869,703.40

Finding the Fourth Proportional to 496,438,956.20, 744,658,434.30 and 442,869,703.40

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Solution

The fourth proportional to 496,438,956.20, 744,658,434.30 and 442,869,703.40 is: 664,304,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,438,956.20 : 744,658,434.30 = 442,869,703.40 : x
  2. Step 2: Convert to fraction form
    496,438,956.20/744,658,434.30 = 442,869,703.40/x
  3. Step 3: Cross multiply
    496,438,956.20x = 744,658,434.30 × 442,869,703.40
  4. Step 4: Simplify right side
    496,438,956.20x = 329,786,659,932,749,376
  5. Step 5: Solve for x
    x = 329,786,659,932,749,376/496,438,956.20
  6. Step 6: Final answer
    x = 664,304,555.10

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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.