Home / 858,909,309.06-1,288,267,481.70-237,212,922.90

Finding the Fourth Proportional to 858,909,309.06, 1,288,267,481.70 and 237,212,922.90

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Solution

The fourth proportional to 858,909,309.06, 1,288,267,481.70 and 237,212,922.90 is: 355,792,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,909,309.06 : 1,288,267,481.70 = 237,212,922.90 : x
  2. Step 2: Convert to fraction form
    858,909,309.06/1,288,267,481.70 = 237,212,922.90/x
  3. Step 3: Cross multiply
    858,909,309.06x = 1,288,267,481.70 × 237,212,922.90
  4. Step 4: Simplify right side
    858,909,309.06x = 305,593,694,811,079,296
  5. Step 5: Solve for x
    x = 305,593,694,811,079,296/858,909,309.06
  6. Step 6: Final answer
    x = 355,792,738.05

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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.