Home / 782,907,309.03-1,174,334,366.37-200,647,271.91

Finding the Fourth Proportional to 782,907,309.03, 1,174,334,366.37 and 200,647,271.91

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Solution

The fourth proportional to 782,907,309.03, 1,174,334,366.37 and 200,647,271.91 is: 300,964,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,907,309.03 : 1,174,334,366.37 = 200,647,271.91 : x
  2. Step 2: Convert to fraction form
    782,907,309.03/1,174,334,366.37 = 200,647,271.91/x
  3. Step 3: Cross multiply
    782,907,309.03x = 1,174,334,366.37 × 200,647,271.91
  4. Step 4: Simplify right side
    782,907,309.03x = 235,626,986,922,298,912
  5. Step 5: Solve for x
    x = 235,626,986,922,298,912/782,907,309.03
  6. Step 6: Final answer
    x = 300,964,091.41

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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.