Home / 394,065,327.66-543,719,932.72-235,264,544.42

Finding the Fourth Proportional to 394,065,327.66, 543,719,932.72 and 235,264,544.42

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Solution

The fourth proportional to 394,065,327.66, 543,719,932.72 and 235,264,544.42 is: 324,611,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,065,327.66 : 543,719,932.72 = 235,264,544.42 : x
  2. Step 2: Convert to fraction form
    394,065,327.66/543,719,932.72 = 235,264,544.42/x
  3. Step 3: Cross multiply
    394,065,327.66x = 543,719,932.72 × 235,264,544.42
  4. Step 4: Simplify right side
    394,065,327.66x = 127,918,022,260,137,072
  5. Step 5: Solve for x
    x = 127,918,022,260,137,072/394,065,327.66
  6. Step 6: Final answer
    x = 324,611,208.56

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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.