Home / 198,380,313,566.73-273,756,947,412.96-117,116,314,025.13

Finding the Fourth Proportional to 198,380,313,566.73, 273,756,947,412.96 and 117,116,314,025.13

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Solution

The fourth proportional to 198,380,313,566.73, 273,756,947,412.96 and 117,116,314,025.13 is: 161,615,858,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,380,313,566.73 : 273,756,947,412.96 = 117,116,314,025.13 : x
  2. Step 2: Convert to fraction form
    198,380,313,566.73/273,756,947,412.96 = 117,116,314,025.13/x
  3. Step 3: Cross multiply
    198,380,313,566.73x = 273,756,947,412.96 × 117,116,314,025.13
  4. Step 4: Simplify right side
    198,380,313,566.73x = 32,061,404,619,777,222,115,328
  5. Step 5: Solve for x
    x = 32,061,404,619,777,222,115,328/198,380,313,566.73
  6. Step 6: Final answer
    x = 161,615,858,163.23

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1.5x scale

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.