Home / 326,861,258.12-490,436,294.52-171,377,892.80

Finding the Fourth Proportional to 326,861,258.12, 490,436,294.52 and 171,377,892.80

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Solution

The fourth proportional to 326,861,258.12, 490,436,294.52 and 171,377,892.80 is: 257,142,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,861,258.12 : 490,436,294.52 = 171,377,892.80 : x
  2. Step 2: Convert to fraction form
    326,861,258.12/490,436,294.52 = 171,377,892.80/x
  3. Step 3: Cross multiply
    326,861,258.12x = 490,436,294.52 × 171,377,892.80
  4. Step 4: Simplify right side
    326,861,258.12x = 84,049,938,707,477,792
  5. Step 5: Solve for x
    x = 84,049,938,707,477,792/326,861,258.12
  6. Step 6: Final answer
    x = 257,142,553.97

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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.