Home / 3,665,128,968.62-5,499,384,245.42-1,673,781,489.64

Finding the Fourth Proportional to 3,665,128,968.62, 5,499,384,245.42 and 1,673,781,489.64

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Solution

The fourth proportional to 3,665,128,968.62, 5,499,384,245.42 and 1,673,781,489.64 is: 2,511,444,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665,128,968.62 : 5,499,384,245.42 = 1,673,781,489.64 : x
  2. Step 2: Convert to fraction form
    3,665,128,968.62/5,499,384,245.42 = 1,673,781,489.64/x
  3. Step 3: Cross multiply
    3,665,128,968.62x = 5,499,384,245.42 × 1,673,781,489.64
  4. Step 4: Simplify right side
    3,665,128,968.62x = 9,204,767,554,401,836,032
  5. Step 5: Solve for x
    x = 9,204,767,554,401,836,032/3,665,128,968.62
  6. Step 6: Final answer
    x = 2,511,444,381.14

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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.