Home / 809,367,150.74-1,212,211,992.29-633,393,500.54

Finding the Fourth Proportional to 809,367,150.74, 1,212,211,992.29 and 633,393,500.54

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Solution

The fourth proportional to 809,367,150.74, 1,212,211,992.29 and 633,393,500.54 is: 948,651,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,367,150.74 : 1,212,211,992.29 = 633,393,500.54 : x
  2. Step 2: Convert to fraction form
    809,367,150.74/1,212,211,992.29 = 633,393,500.54/x
  3. Step 3: Cross multiply
    809,367,150.74x = 1,212,211,992.29 × 633,393,500.54
  4. Step 4: Simplify right side
    809,367,150.74x = 767,807,197,183,902,592
  5. Step 5: Solve for x
    x = 767,807,197,183,902,592/809,367,150.74
  6. Step 6: Final answer
    x = 948,651,296.86

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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.