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Finding the Fourth Proportional to 1,375,496,045.20, 2,063,244,067.80 and 885,720,019.60

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Solution

The fourth proportional to 1,375,496,045.20, 2,063,244,067.80 and 885,720,019.60 is: 1,328,580,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,496,045.20 : 2,063,244,067.80 = 885,720,019.60 : x
  2. Step 2: Convert to fraction form
    1,375,496,045.20/2,063,244,067.80 = 885,720,019.60/x
  3. Step 3: Cross multiply
    1,375,496,045.20x = 2,063,244,067.80 × 885,720,019.60
  4. Step 4: Simplify right side
    1,375,496,045.20x = 1,827,456,576,171,399,680
  5. Step 5: Solve for x
    x = 1,827,456,576,171,399,680/1,375,496,045.20
  6. Step 6: Final answer
    x = 1,328,580,029.40

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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.