Home / 419,100,109.65-628,650,164.48-412,297,664.85

Finding the Fourth Proportional to 419,100,109.65, 628,650,164.48 and 412,297,664.85

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Solution

The fourth proportional to 419,100,109.65, 628,650,164.48 and 412,297,664.85 is: 618,446,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,100,109.65 : 628,650,164.48 = 412,297,664.85 : x
  2. Step 2: Convert to fraction form
    419,100,109.65/628,650,164.48 = 412,297,664.85/x
  3. Step 3: Cross multiply
    419,100,109.65x = 628,650,164.48 × 412,297,664.85
  4. Step 4: Simplify right side
    419,100,109.65x = 259,190,994,820,610,944
  5. Step 5: Solve for x
    x = 259,190,994,820,610,944/419,100,109.65
  6. Step 6: Final answer
    x = 618,446,497.28

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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.