Home / 314,928,292.80-472,392,439.20-276,664,540.80

Finding the Fourth Proportional to 314,928,292.80, 472,392,439.20 and 276,664,540.80

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Solution

The fourth proportional to 314,928,292.80, 472,392,439.20 and 276,664,540.80 is: 414,996,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,292.80 : 472,392,439.20 = 276,664,540.80 : x
  2. Step 2: Convert to fraction form
    314,928,292.80/472,392,439.20 = 276,664,540.80/x
  3. Step 3: Cross multiply
    314,928,292.80x = 472,392,439.20 × 276,664,540.80
  4. Step 4: Simplify right side
    314,928,292.80x = 130,694,237,268,659,920
  5. Step 5: Solve for x
    x = 130,694,237,268,659,920/314,928,292.80
  6. Step 6: Final answer
    x = 414,996,811.20

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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.