Home / 419,904,531.10-629,856,796.65-379,593,747.10

Finding the Fourth Proportional to 419,904,531.10, 629,856,796.65 and 379,593,747.10

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Solution

The fourth proportional to 419,904,531.10, 629,856,796.65 and 379,593,747.10 is: 569,390,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,531.10 : 629,856,796.65 = 379,593,747.10 : x
  2. Step 2: Convert to fraction form
    419,904,531.10/629,856,796.65 = 379,593,747.10/x
  3. Step 3: Cross multiply
    419,904,531.10x = 629,856,796.65 × 379,593,747.10
  4. Step 4: Simplify right side
    419,904,531.10x = 239,089,701,576,776,224
  5. Step 5: Solve for x
    x = 239,089,701,576,776,224/419,904,531.10
  6. Step 6: Final answer
    x = 569,390,620.65

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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.