Home / 388,053,505,409.60-582,080,258,114.40-220,876,622,004.80

Finding the Fourth Proportional to 388,053,505,409.60, 582,080,258,114.40 and 220,876,622,004.80

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Solution

The fourth proportional to 388,053,505,409.60, 582,080,258,114.40 and 220,876,622,004.80 is: 331,314,933,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,053,505,409.60 : 582,080,258,114.40 = 220,876,622,004.80 : x
  2. Step 2: Convert to fraction form
    388,053,505,409.60/582,080,258,114.40 = 220,876,622,004.80/x
  3. Step 3: Cross multiply
    388,053,505,409.60x = 582,080,258,114.40 × 220,876,622,004.80
  4. Step 4: Simplify right side
    388,053,505,409.60x = 128,567,921,147,990,738,206,720
  5. Step 5: Solve for x
    x = 128,567,921,147,990,738,206,720/388,053,505,409.60
  6. Step 6: Final answer
    x = 331,314,933,007.20

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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.