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Finding the Fourth Proportional to 662,753,053.88, 994,371,992.60 and 308,396,339.25

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Solution

The fourth proportional to 662,753,053.88, 994,371,992.60 and 308,396,339.25 is: 462,707,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,753,053.88 : 994,371,992.60 = 308,396,339.25 : x
  2. Step 2: Convert to fraction form
    662,753,053.88/994,371,992.60 = 308,396,339.25/x
  3. Step 3: Cross multiply
    662,753,053.88x = 994,371,992.60 × 308,396,339.25
  4. Step 4: Simplify right side
    662,753,053.88x = 306,660,682,367,791,808
  5. Step 5: Solve for x
    x = 306,660,682,367,791,808/662,753,053.88
  6. Step 6: Final answer
    x = 462,707,309.41

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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.