Home / 515,474,665.44-711,504,935.59-336,885,419.57

Finding the Fourth Proportional to 515,474,665.44, 711,504,935.59 and 336,885,419.57

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Solution

The fourth proportional to 515,474,665.44, 711,504,935.59 and 336,885,419.57 is: 464,999,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,474,665.44 : 711,504,935.59 = 336,885,419.57 : x
  2. Step 2: Convert to fraction form
    515,474,665.44/711,504,935.59 = 336,885,419.57/x
  3. Step 3: Cross multiply
    515,474,665.44x = 711,504,935.59 × 336,885,419.57
  4. Step 4: Simplify right side
    515,474,665.44x = 239,695,638,747,963,232
  5. Step 5: Solve for x
    x = 239,695,638,747,963,232/515,474,665.44
  6. Step 6: Final answer
    x = 464,999,843.48

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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.