Home / 297,231,498.40-445,847,247.60-219,747,400.60

Finding the Fourth Proportional to 297,231,498.40, 445,847,247.60 and 219,747,400.60

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Solution

The fourth proportional to 297,231,498.40, 445,847,247.60 and 219,747,400.60 is: 329,621,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,231,498.40 : 445,847,247.60 = 219,747,400.60 : x
  2. Step 2: Convert to fraction form
    297,231,498.40/445,847,247.60 = 219,747,400.60/x
  3. Step 3: Cross multiply
    297,231,498.40x = 445,847,247.60 × 219,747,400.60
  4. Step 4: Simplify right side
    297,231,498.40x = 97,973,773,724,764,592
  5. Step 5: Solve for x
    x = 97,973,773,724,764,592/297,231,498.40
  6. Step 6: Final answer
    x = 329,621,100.90

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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.