Home / 3,980,954,918.40-5,967,052,934.40-1,394,694,643.20

Finding the Fourth Proportional to 3,980,954,918.40, 5,967,052,934.40 and 1,394,694,643.20

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Solution

The fourth proportional to 3,980,954,918.40, 5,967,052,934.40 and 1,394,694,643.20 is: 2,090,507,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,954,918.40 : 5,967,052,934.40 = 1,394,694,643.20 : x
  2. Step 2: Convert to fraction form
    3,980,954,918.40/5,967,052,934.40 = 1,394,694,643.20/x
  3. Step 3: Cross multiply
    3,980,954,918.40x = 5,967,052,934.40 × 1,394,694,643.20
  4. Step 4: Simplify right side
    3,980,954,918.40x = 8,322,216,763,298,521,088
  5. Step 5: Solve for x
    x = 8,322,216,763,298,521,088/3,980,954,918.40
  6. Step 6: Final answer
    x = 2,090,507,663.08

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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.