Home / 4,080,962,407.20-6,121,443,610.80-1,320,870,429.60

Finding the Fourth Proportional to 4,080,962,407.20, 6,121,443,610.80 and 1,320,870,429.60

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Solution

The fourth proportional to 4,080,962,407.20, 6,121,443,610.80 and 1,320,870,429.60 is: 1,981,305,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,962,407.20 : 6,121,443,610.80 = 1,320,870,429.60 : x
  2. Step 2: Convert to fraction form
    4,080,962,407.20/6,121,443,610.80 = 1,320,870,429.60/x
  3. Step 3: Cross multiply
    4,080,962,407.20x = 6,121,443,610.80 × 1,320,870,429.60
  4. Step 4: Simplify right side
    4,080,962,407.20x = 8,085,633,851,969,570,816
  5. Step 5: Solve for x
    x = 8,085,633,851,969,570,816/4,080,962,407.20
  6. Step 6: Final answer
    x = 1,981,305,644.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.