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Finding the Fourth Proportional to 662,363,467.89, 914,067,630.87 and 365,016,378.85

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Solution

The fourth proportional to 662,363,467.89, 914,067,630.87 and 365,016,378.85 is: 503,725,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,363,467.89 : 914,067,630.87 = 365,016,378.85 : x
  2. Step 2: Convert to fraction form
    662,363,467.89/914,067,630.87 = 365,016,378.85/x
  3. Step 3: Cross multiply
    662,363,467.89x = 914,067,630.87 × 365,016,378.85
  4. Step 4: Simplify right side
    662,363,467.89x = 333,649,656,640,511,936
  5. Step 5: Solve for x
    x = 333,649,656,640,511,936/662,363,467.89
  6. Step 6: Final answer
    x = 503,725,934.20

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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.