Home / 769,234,198.52-1,061,597,067.77-434,737,634.65

Finding the Fourth Proportional to 769,234,198.52, 1,061,597,067.77 and 434,737,634.65

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Solution

The fourth proportional to 769,234,198.52, 1,061,597,067.77 and 434,737,634.65 is: 599,968,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,234,198.52 : 1,061,597,067.77 = 434,737,634.65 : x
  2. Step 2: Convert to fraction form
    769,234,198.52/1,061,597,067.77 = 434,737,634.65/x
  3. Step 3: Cross multiply
    769,234,198.52x = 1,061,597,067.77 × 434,737,634.65
  4. Step 4: Simplify right side
    769,234,198.52x = 461,516,198,192,138,368
  5. Step 5: Solve for x
    x = 461,516,198,192,138,368/769,234,198.52
  6. Step 6: Final answer
    x = 599,968,382.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.