Home / 839,472,022.20-1,259,208,033.30-494,071,087.80

Finding the Fourth Proportional to 839,472,022.20, 1,259,208,033.30 and 494,071,087.80

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Solution

The fourth proportional to 839,472,022.20, 1,259,208,033.30 and 494,071,087.80 is: 741,106,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,472,022.20 : 1,259,208,033.30 = 494,071,087.80 : x
  2. Step 2: Convert to fraction form
    839,472,022.20/1,259,208,033.30 = 494,071,087.80/x
  3. Step 3: Cross multiply
    839,472,022.20x = 1,259,208,033.30 × 494,071,087.80
  4. Step 4: Simplify right side
    839,472,022.20x = 622,138,282,779,029,632
  5. Step 5: Solve for x
    x = 622,138,282,779,029,632/839,472,022.20
  6. Step 6: Final answer
    x = 741,106,631.70

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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.