Home / 279,936,622.40-419,904,933.60-171,097,505.60

Finding the Fourth Proportional to 279,936,622.40, 419,904,933.60 and 171,097,505.60

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Solution

The fourth proportional to 279,936,622.40, 419,904,933.60 and 171,097,505.60 is: 256,646,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,622.40 : 419,904,933.60 = 171,097,505.60 : x
  2. Step 2: Convert to fraction form
    279,936,622.40/419,904,933.60 = 171,097,505.60/x
  3. Step 3: Cross multiply
    279,936,622.40x = 419,904,933.60 × 171,097,505.60
  4. Step 4: Simplify right side
    279,936,622.40x = 71,844,686,728,093,632
  5. Step 5: Solve for x
    x = 71,844,686,728,093,632/279,936,622.40
  6. Step 6: Final answer
    x = 256,646,258.40

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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.