Home / 515,474,668.81-711,504,940.24-336,885,422.94

Finding the Fourth Proportional to 515,474,668.81, 711,504,940.24 and 336,885,422.94

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Solution

The fourth proportional to 515,474,668.81, 711,504,940.24 and 336,885,422.94 is: 464,999,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,474,668.81 : 711,504,940.24 = 336,885,422.94 : x
  2. Step 2: Convert to fraction form
    515,474,668.81/711,504,940.24 = 336,885,422.94/x
  3. Step 3: Cross multiply
    515,474,668.81x = 711,504,940.24 × 336,885,422.94
  4. Step 4: Simplify right side
    515,474,668.81x = 239,695,642,717,072,928
  5. Step 5: Solve for x
    x = 239,695,642,717,072,928/515,474,668.81
  6. Step 6: Final answer
    x = 464,999,848.14

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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.