Home / 418,564,441.20-627,846,661.80-327,765,644.40

Finding the Fourth Proportional to 418,564,441.20, 627,846,661.80 and 327,765,644.40

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Solution

The fourth proportional to 418,564,441.20, 627,846,661.80 and 327,765,644.40 is: 491,648,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,564,441.20 : 627,846,661.80 = 327,765,644.40 : x
  2. Step 2: Convert to fraction form
    418,564,441.20/627,846,661.80 = 327,765,644.40/x
  3. Step 3: Cross multiply
    418,564,441.20x = 627,846,661.80 × 327,765,644.40
  4. Step 4: Simplify right side
    418,564,441.20x = 205,786,565,689,265,824
  5. Step 5: Solve for x
    x = 205,786,565,689,265,824/418,564,441.20
  6. Step 6: Final answer
    x = 491,648,466.60

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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.