Home / 411,581,238.78-567,982,654.70-223,409,410.49

Finding the Fourth Proportional to 411,581,238.78, 567,982,654.70 and 223,409,410.49

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Solution

The fourth proportional to 411,581,238.78, 567,982,654.70 and 223,409,410.49 is: 308,305,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,581,238.78 : 567,982,654.70 = 223,409,410.49 : x
  2. Step 2: Convert to fraction form
    411,581,238.78/567,982,654.70 = 223,409,410.49/x
  3. Step 3: Cross multiply
    411,581,238.78x = 567,982,654.70 × 223,409,410.49
  4. Step 4: Simplify right side
    411,581,238.78x = 126,892,670,055,072,240
  5. Step 5: Solve for x
    x = 126,892,670,055,072,240/411,581,238.78
  6. Step 6: Final answer
    x = 308,305,282.41

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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.