Home / 394,546,438.48-592,053,459-219,815,723.60

Finding the Fourth Proportional to 394,546,438.48, 592,053,459 and 219,815,723.60

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Solution

The fourth proportional to 394,546,438.48, 592,053,459 and 219,815,723.60 is: 329,853,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,546,438.48 : 592,053,459 = 219,815,723.60 : x
  2. Step 2: Convert to fraction form
    394,546,438.48/592,053,459 = 219,815,723.60/x
  3. Step 3: Cross multiply
    394,546,438.48x = 592,053,459 × 219,815,723.60
  4. Step 4: Simplify right side
    394,546,438.48x = 130,142,659,499,967,936
  5. Step 5: Solve for x
    x = 130,142,659,499,967,936/394,546,438.48
  6. Step 6: Final answer
    x = 329,853,844.33

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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.