Home / 629,861,211.60-944,791,817.40-220,769,739.60

Finding the Fourth Proportional to 629,861,211.60, 944,791,817.40 and 220,769,739.60

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Solution

The fourth proportional to 629,861,211.60, 944,791,817.40 and 220,769,739.60 is: 331,154,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,211.60 : 944,791,817.40 = 220,769,739.60 : x
  2. Step 2: Convert to fraction form
    629,861,211.60/944,791,817.40 = 220,769,739.60/x
  3. Step 3: Cross multiply
    629,861,211.60x = 944,791,817.40 × 220,769,739.60
  4. Step 4: Simplify right side
    629,861,211.60x = 208,581,443,503,608,736
  5. Step 5: Solve for x
    x = 208,581,443,503,608,736/629,861,211.60
  6. Step 6: Final answer
    x = 331,154,609.40

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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.