Home / 480,147,831.72-662,601,405.56-268,454,621.70

Finding the Fourth Proportional to 480,147,831.72, 662,601,405.56 and 268,454,621.70

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Solution

The fourth proportional to 480,147,831.72, 662,601,405.56 and 268,454,621.70 is: 370,465,923.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,147,831.72 : 662,601,405.56 = 268,454,621.70 : x
  2. Step 2: Convert to fraction form
    480,147,831.72/662,601,405.56 = 268,454,621.70/x
  3. Step 3: Cross multiply
    480,147,831.72x = 662,601,405.56 × 268,454,621.70
  4. Step 4: Simplify right side
    480,147,831.72x = 177,878,409,667,498,048
  5. Step 5: Solve for x
    x = 177,878,409,667,498,048/480,147,831.72
  6. Step 6: Final answer
    x = 370,465,923.03

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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.