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Finding the Fourth Proportional to 545,947,686, 818,921,529 and 182,442,042

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Solution

The fourth proportional to 545,947,686, 818,921,529 and 182,442,042 is: 273,663,063

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,947,686 : 818,921,529 = 182,442,042 : x
  2. Step 2: Convert to fraction form
    545,947,686/818,921,529 = 182,442,042/x
  3. Step 3: Cross multiply
    545,947,686x = 818,921,529 × 182,442,042
  4. Step 4: Simplify right side
    545,947,686x = 149,405,715,988,522,208
  5. Step 5: Solve for x
    x = 149,405,715,988,522,208/545,947,686
  6. Step 6: Final answer
    x = 273,663,063

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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.