Home / 505,694,365.56-758,541,843.59-142,188,721.56

Finding the Fourth Proportional to 505,694,365.56, 758,541,843.59 and 142,188,721.56

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Solution

The fourth proportional to 505,694,365.56, 758,541,843.59 and 142,188,721.56 is: 213,283,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,694,365.56 : 758,541,843.59 = 142,188,721.56 : x
  2. Step 2: Convert to fraction form
    505,694,365.56/758,541,843.59 = 142,188,721.56/x
  3. Step 3: Cross multiply
    505,694,365.56x = 758,541,843.59 × 142,188,721.56
  4. Step 4: Simplify right side
    505,694,365.56x = 107,856,094,989,827,584
  5. Step 5: Solve for x
    x = 107,856,094,989,827,584/505,694,365.56
  6. Step 6: Final answer
    x = 213,283,165.36

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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.