Home / 326,668,014.60-490,002,021.90-252,691,427.40

Finding the Fourth Proportional to 326,668,014.60, 490,002,021.90 and 252,691,427.40

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Solution

The fourth proportional to 326,668,014.60, 490,002,021.90 and 252,691,427.40 is: 379,037,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,668,014.60 : 490,002,021.90 = 252,691,427.40 : x
  2. Step 2: Convert to fraction form
    326,668,014.60/490,002,021.90 = 252,691,427.40/x
  3. Step 3: Cross multiply
    326,668,014.60x = 490,002,021.90 × 252,691,427.40
  4. Step 4: Simplify right side
    326,668,014.60x = 123,819,310,342,797,056
  5. Step 5: Solve for x
    x = 123,819,310,342,797,056/326,668,014.60
  6. Step 6: Final answer
    x = 379,037,141.10

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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.