Home / 441,551,921.40-662,327,882.10-268,939,884.60

Finding the Fourth Proportional to 441,551,921.40, 662,327,882.10 and 268,939,884.60

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Solution

The fourth proportional to 441,551,921.40, 662,327,882.10 and 268,939,884.60 is: 403,409,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,551,921.40 : 662,327,882.10 = 268,939,884.60 : x
  2. Step 2: Convert to fraction form
    441,551,921.40/662,327,882.10 = 268,939,884.60/x
  3. Step 3: Cross multiply
    441,551,921.40x = 662,327,882.10 × 268,939,884.60
  4. Step 4: Simplify right side
    441,551,921.40x = 178,126,384,179,336,416
  5. Step 5: Solve for x
    x = 178,126,384,179,336,416/441,551,921.40
  6. Step 6: Final answer
    x = 403,409,826.90

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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.