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Finding the Fourth Proportional to 662,908,761.77, 914,794,072.31 and 365,550,857.33

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Solution

The fourth proportional to 662,908,761.77, 914,794,072.31 and 365,550,857.33 is: 504,449,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,908,761.77 : 914,794,072.31 = 365,550,857.33 : x
  2. Step 2: Convert to fraction form
    662,908,761.77/914,794,072.31 = 365,550,857.33/x
  3. Step 3: Cross multiply
    662,908,761.77x = 914,794,072.31 × 365,550,857.33
  4. Step 4: Simplify right side
    662,908,761.77x = 334,403,757,409,662,400
  5. Step 5: Solve for x
    x = 334,403,757,409,662,400/662,908,761.77
  6. Step 6: Final answer
    x = 504,449,143.98

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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.