Home / 399,532,278,435.57-599,268,275,796.02-127,245,524,321.16

Finding the Fourth Proportional to 399,532,278,435.57, 599,268,275,796.02 and 127,245,524,321.16

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Solution

The fourth proportional to 399,532,278,435.57, 599,268,275,796.02 and 127,245,524,321.16 is: 190,858,686,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,532,278,435.57 : 599,268,275,796.02 = 127,245,524,321.16 : x
  2. Step 2: Convert to fraction form
    399,532,278,435.57/599,268,275,796.02 = 127,245,524,321.16/x
  3. Step 3: Cross multiply
    399,532,278,435.57x = 599,268,275,796.02 × 127,245,524,321.16
  4. Step 4: Simplify right side
    399,532,278,435.57x = 76,254,205,962,702,093,811,712
  5. Step 5: Solve for x
    x = 76,254,205,962,702,093,811,712/399,532,278,435.57
  6. Step 6: Final answer
    x = 190,858,686,715.59

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1.5x scale

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.