Home / 481,531,077.60-664,569,615.60-285,960,789.60

Finding the Fourth Proportional to 481,531,077.60, 664,569,615.60 and 285,960,789.60

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Solution

The fourth proportional to 481,531,077.60, 664,569,615.60 and 285,960,789.60 is: 394,659,578.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,531,077.60 : 664,569,615.60 = 285,960,789.60 : x
  2. Step 2: Convert to fraction form
    481,531,077.60/664,569,615.60 = 285,960,789.60/x
  3. Step 3: Cross multiply
    481,531,077.60x = 664,569,615.60 × 285,960,789.60
  4. Step 4: Simplify right side
    481,531,077.60x = 190,040,852,021,144,512
  5. Step 5: Solve for x
    x = 190,040,852,021,144,512/481,531,077.60
  6. Step 6: Final answer
    x = 394,659,578.29

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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.