Home / 419,904,541.90-629,856,812.85-264,936,346.30

Finding the Fourth Proportional to 419,904,541.90, 629,856,812.85 and 264,936,346.30

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Solution

The fourth proportional to 419,904,541.90, 629,856,812.85 and 264,936,346.30 is: 397,404,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,541.90 : 629,856,812.85 = 264,936,346.30 : x
  2. Step 2: Convert to fraction form
    419,904,541.90/629,856,812.85 = 264,936,346.30/x
  3. Step 3: Cross multiply
    419,904,541.90x = 629,856,812.85 × 264,936,346.30
  4. Step 4: Simplify right side
    419,904,541.90x = 166,871,962,688,641,888
  5. Step 5: Solve for x
    x = 166,871,962,688,641,888/419,904,541.90
  6. Step 6: Final answer
    x = 397,404,519.45

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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.