Home / 327,564,272.40-491,346,408.60-302,621,974.80

Finding the Fourth Proportional to 327,564,272.40, 491,346,408.60 and 302,621,974.80

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Solution

The fourth proportional to 327,564,272.40, 491,346,408.60 and 302,621,974.80 is: 453,932,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,564,272.40 : 491,346,408.60 = 302,621,974.80 : x
  2. Step 2: Convert to fraction form
    327,564,272.40/491,346,408.60 = 302,621,974.80/x
  3. Step 3: Cross multiply
    327,564,272.40x = 491,346,408.60 × 302,621,974.80
  4. Step 4: Simplify right side
    327,564,272.40x = 148,692,220,481,419,712
  5. Step 5: Solve for x
    x = 148,692,220,481,419,712/327,564,272.40
  6. Step 6: Final answer
    x = 453,932,962.20

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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.