Home / 449,172,034.20-673,758,051.30-383,415,067.80

Finding the Fourth Proportional to 449,172,034.20, 673,758,051.30 and 383,415,067.80

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Solution

The fourth proportional to 449,172,034.20, 673,758,051.30 and 383,415,067.80 is: 575,122,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,172,034.20 : 673,758,051.30 = 383,415,067.80 : x
  2. Step 2: Convert to fraction form
    449,172,034.20/673,758,051.30 = 383,415,067.80/x
  3. Step 3: Cross multiply
    449,172,034.20x = 673,758,051.30 × 383,415,067.80
  4. Step 4: Simplify right side
    449,172,034.20x = 258,328,988,919,985,376
  5. Step 5: Solve for x
    x = 258,328,988,919,985,376/449,172,034.20
  6. Step 6: Final answer
    x = 575,122,601.70

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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.