Home / 809,909,207,619.45-1,214,013,393,183.80-272,500,593,967.71

Finding the Fourth Proportional to 809,909,207,619.45, 1,214,013,393,183.80 and 272,500,593,967.71

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Solution

The fourth proportional to 809,909,207,619.45, 1,214,013,393,183.80 and 272,500,593,967.71 is: 408,464,760,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,909,207,619.45 : 1,214,013,393,183.80 = 272,500,593,967.71 : x
  2. Step 2: Convert to fraction form
    809,909,207,619.45/1,214,013,393,183.80 = 272,500,593,967.71/x
  3. Step 3: Cross multiply
    809,909,207,619.45x = 1,214,013,393,183.80 × 272,500,593,967.71
  4. Step 4: Simplify right side
    809,909,207,619.45x = 330,819,370,727,340,530,204,672
  5. Step 5: Solve for x
    x = 330,819,370,727,340,530,204,672/809,909,207,619.45
  6. Step 6: Final answer
    x = 408,464,760,759.68

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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.