Home / 1,772,928,052.80-2,659,392,079.20-805,469,236.80

Finding the Fourth Proportional to 1,772,928,052.80, 2,659,392,079.20 and 805,469,236.80

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Solution

The fourth proportional to 1,772,928,052.80, 2,659,392,079.20 and 805,469,236.80 is: 1,208,203,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,928,052.80 : 2,659,392,079.20 = 805,469,236.80 : x
  2. Step 2: Convert to fraction form
    1,772,928,052.80/2,659,392,079.20 = 805,469,236.80/x
  3. Step 3: Cross multiply
    1,772,928,052.80x = 2,659,392,079.20 × 805,469,236.80
  4. Step 4: Simplify right side
    1,772,928,052.80x = 2,142,058,508,385,188,864
  5. Step 5: Solve for x
    x = 2,142,058,508,385,188,864/1,772,928,052.80
  6. Step 6: Final answer
    x = 1,208,203,855.20

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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.