Home / 414,309,415.36-621,265,834.56-195,777,376.96

Finding the Fourth Proportional to 414,309,415.36, 621,265,834.56 and 195,777,376.96

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Solution

The fourth proportional to 414,309,415.36, 621,265,834.56 and 195,777,376.96 is: 293,572,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,309,415.36 : 621,265,834.56 = 195,777,376.96 : x
  2. Step 2: Convert to fraction form
    414,309,415.36/621,265,834.56 = 195,777,376.96/x
  3. Step 3: Cross multiply
    414,309,415.36x = 621,265,834.56 × 195,777,376.96
  4. Step 4: Simplify right side
    414,309,415.36x = 121,629,795,485,022,112
  5. Step 5: Solve for x
    x = 121,629,795,485,022,112/414,309,415.36
  6. Step 6: Final answer
    x = 293,572,366.39

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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.