Home / 551,407,383.36-760,907,999.52-303,874,908.48

Finding the Fourth Proportional to 551,407,383.36, 760,907,999.52 and 303,874,908.48

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Solution

The fourth proportional to 551,407,383.36, 760,907,999.52 and 303,874,908.48 is: 419,328,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,407,383.36 : 760,907,999.52 = 303,874,908.48 : x
  2. Step 2: Convert to fraction form
    551,407,383.36/760,907,999.52 = 303,874,908.48/x
  3. Step 3: Cross multiply
    551,407,383.36x = 760,907,999.52 × 303,874,908.48
  4. Step 4: Simplify right side
    551,407,383.36x = 231,220,848,715,839,904
  5. Step 5: Solve for x
    x = 231,220,848,715,839,904/551,407,383.36
  6. Step 6: Final answer
    x = 419,328,532.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.