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Finding the Fourth Proportional to 886,759,424.83, 1,329,729,713.07 and 326,380,494.63

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Solution

The fourth proportional to 886,759,424.83, 1,329,729,713.07 and 326,380,494.63 is: 489,420,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,759,424.83 : 1,329,729,713.07 = 326,380,494.63 : x
  2. Step 2: Convert to fraction form
    886,759,424.83/1,329,729,713.07 = 326,380,494.63/x
  3. Step 3: Cross multiply
    886,759,424.83x = 1,329,729,713.07 × 326,380,494.63
  4. Step 4: Simplify right side
    886,759,424.83x = 433,997,841,475,994,560
  5. Step 5: Solve for x
    x = 433,997,841,475,994,560/886,759,424.83
  6. Step 6: Final answer
    x = 489,420,049.37

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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.