Home / 449,388,356,906.82-674,010,780,171.80-130,960,071,788.47

Finding the Fourth Proportional to 449,388,356,906.82, 674,010,780,171.80 and 130,960,071,788.47

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Solution

The fourth proportional to 449,388,356,906.82, 674,010,780,171.80 and 130,960,071,788.47 is: 196,419,196,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,388,356,906.82 : 674,010,780,171.80 = 130,960,071,788.47 : x
  2. Step 2: Convert to fraction form
    449,388,356,906.82/674,010,780,171.80 = 130,960,071,788.47/x
  3. Step 3: Cross multiply
    449,388,356,906.82x = 674,010,780,171.80 × 130,960,071,788.47
  4. Step 4: Simplify right side
    449,388,356,906.82x = 88,268,500,157,501,611,704,320
  5. Step 5: Solve for x
    x = 88,268,500,157,501,611,704,320/449,388,356,906.82
  6. Step 6: Final answer
    x = 196,419,196,894.78

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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.