Home / 394,241,689.47-590,945,512.47-148,491,995.64

Finding the Fourth Proportional to 394,241,689.47, 590,945,512.47 and 148,491,995.64

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Solution

The fourth proportional to 394,241,689.47, 590,945,512.47 and 148,491,995.64 is: 222,580,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,241,689.47 : 590,945,512.47 = 148,491,995.64 : x
  2. Step 2: Convert to fraction form
    394,241,689.47/590,945,512.47 = 148,491,995.64/x
  3. Step 3: Cross multiply
    394,241,689.47x = 590,945,512.47 × 148,491,995.64
  4. Step 4: Simplify right side
    394,241,689.47x = 87,750,678,461,172,800
  5. Step 5: Solve for x
    x = 87,750,678,461,172,800/394,241,689.47
  6. Step 6: Final answer
    x = 222,580,921.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.