Home / 1,066,964,608.40-1,601,342,707.80-485,593,523.60

Finding the Fourth Proportional to 1,066,964,608.40, 1,601,342,707.80 and 485,593,523.60

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Solution

The fourth proportional to 1,066,964,608.40, 1,601,342,707.80 and 485,593,523.60 is: 728,797,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,964,608.40 : 1,601,342,707.80 = 485,593,523.60 : x
  2. Step 2: Convert to fraction form
    1,066,964,608.40/1,601,342,707.80 = 485,593,523.60/x
  3. Step 3: Cross multiply
    1,066,964,608.40x = 1,601,342,707.80 × 485,593,523.60
  4. Step 4: Simplify right side
    1,066,964,608.40x = 777,601,647,971,767,168
  5. Step 5: Solve for x
    x = 777,601,647,971,767,168/1,066,964,608.40
  6. Step 6: Final answer
    x = 728,797,976.85

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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.