Home / 521,861,922.30-782,789,773.05-133,684,002.30

Finding the Fourth Proportional to 521,861,922.30, 782,789,773.05 and 133,684,002.30

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Solution

The fourth proportional to 521,861,922.30, 782,789,773.05 and 133,684,002.30 is: 200,525,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,861,922.30 : 782,789,773.05 = 133,684,002.30 : x
  2. Step 2: Convert to fraction form
    521,861,922.30/782,789,773.05 = 133,684,002.30/x
  3. Step 3: Cross multiply
    521,861,922.30x = 782,789,773.05 × 133,684,002.30
  4. Step 4: Simplify right side
    521,861,922.30x = 104,646,469,820,832,672
  5. Step 5: Solve for x
    x = 104,646,469,820,832,672/521,861,922.30
  6. Step 6: Final answer
    x = 200,525,206.67

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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.