Home / 327,662,209.20-491,493,313.80-199,087,604.40

Finding the Fourth Proportional to 327,662,209.20, 491,493,313.80 and 199,087,604.40

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Solution

The fourth proportional to 327,662,209.20, 491,493,313.80 and 199,087,604.40 is: 298,631,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,662,209.20 : 491,493,313.80 = 199,087,604.40 : x
  2. Step 2: Convert to fraction form
    327,662,209.20/491,493,313.80 = 199,087,604.40/x
  3. Step 3: Cross multiply
    327,662,209.20x = 491,493,313.80 × 199,087,604.40
  4. Step 4: Simplify right side
    327,662,209.20x = 97,850,226,423,059,472
  5. Step 5: Solve for x
    x = 97,850,226,423,059,472/327,662,209.20
  6. Step 6: Final answer
    x = 298,631,406.60

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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.