Home / 2,981,135,721.77-4,113,954,864.39-1,643,022,617.96

Finding the Fourth Proportional to 2,981,135,721.77, 4,113,954,864.39 and 1,643,022,617.96

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Solution

The fourth proportional to 2,981,135,721.77, 4,113,954,864.39 and 1,643,022,617.96 is: 2,267,364,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,135,721.77 : 4,113,954,864.39 = 1,643,022,617.96 : x
  2. Step 2: Convert to fraction form
    2,981,135,721.77/4,113,954,864.39 = 1,643,022,617.96/x
  3. Step 3: Cross multiply
    2,981,135,721.77x = 4,113,954,864.39 × 1,643,022,617.96
  4. Step 4: Simplify right side
    2,981,135,721.77x = 6,759,320,891,459,334,144
  5. Step 5: Solve for x
    x = 6,759,320,891,459,334,144/2,981,135,721.77
  6. Step 6: Final answer
    x = 2,267,364,361.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.