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Finding the Fourth Proportional to 557,817,067.80, 836,725,601.70 and 523,804,843.80

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Solution

The fourth proportional to 557,817,067.80, 836,725,601.70 and 523,804,843.80 is: 785,707,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,817,067.80 : 836,725,601.70 = 523,804,843.80 : x
  2. Step 2: Convert to fraction form
    557,817,067.80/836,725,601.70 = 523,804,843.80/x
  3. Step 3: Cross multiply
    557,817,067.80x = 836,725,601.70 × 523,804,843.80
  4. Step 4: Simplify right side
    557,817,067.80x = 438,280,923,101,929,536
  5. Step 5: Solve for x
    x = 438,280,923,101,929,536/557,817,067.80
  6. Step 6: Final answer
    x = 785,707,265.70

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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.