Home / 839,472,015.20-1,259,208,022.80-494,071,080.80

Finding the Fourth Proportional to 839,472,015.20, 1,259,208,022.80 and 494,071,080.80

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Solution

The fourth proportional to 839,472,015.20, 1,259,208,022.80 and 494,071,080.80 is: 741,106,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,472,015.20 : 1,259,208,022.80 = 494,071,080.80 : x
  2. Step 2: Convert to fraction form
    839,472,015.20/1,259,208,022.80 = 494,071,080.80/x
  3. Step 3: Cross multiply
    839,472,015.20x = 1,259,208,022.80 × 494,071,080.80
  4. Step 4: Simplify right side
    839,472,015.20x = 622,138,268,776,827,008
  5. Step 5: Solve for x
    x = 622,138,268,776,827,008/839,472,015.20
  6. Step 6: Final answer
    x = 741,106,621.20

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1.5x scale

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.