Home / 394,213,503.46-591,322,248.12-103,081,266.32

Finding the Fourth Proportional to 394,213,503.46, 591,322,248.12 and 103,081,266.32

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Solution

The fourth proportional to 394,213,503.46, 591,322,248.12 and 103,081,266.32 is: 154,622,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,213,503.46 : 591,322,248.12 = 103,081,266.32 : x
  2. Step 2: Convert to fraction form
    394,213,503.46/591,322,248.12 = 103,081,266.32/x
  3. Step 3: Cross multiply
    394,213,503.46x = 591,322,248.12 × 103,081,266.32
  4. Step 4: Simplify right side
    394,213,503.46x = 60,954,246,139,398,832
  5. Step 5: Solve for x
    x = 60,954,246,139,398,832/394,213,503.46
  6. Step 6: Final answer
    x = 154,622,420.60

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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.