Home / 445,360,778.44-668,019,439.31-165,296,187.36

Finding the Fourth Proportional to 445,360,778.44, 668,019,439.31 and 165,296,187.36

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Solution

The fourth proportional to 445,360,778.44, 668,019,439.31 and 165,296,187.36 is: 247,936,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,360,778.44 : 668,019,439.31 = 165,296,187.36 : x
  2. Step 2: Convert to fraction form
    445,360,778.44/668,019,439.31 = 165,296,187.36/x
  3. Step 3: Cross multiply
    445,360,778.44x = 668,019,439.31 × 165,296,187.36
  4. Step 4: Simplify right side
    445,360,778.44x = 110,421,066,399,481,424
  5. Step 5: Solve for x
    x = 110,421,066,399,481,424/445,360,778.44
  6. Step 6: Final answer
    x = 247,936,216.54

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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.