Home / 719,469,650.78-1,079,307,423.39-221,522,297.27

Finding the Fourth Proportional to 719,469,650.78, 1,079,307,423.39 and 221,522,297.27

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Solution

The fourth proportional to 719,469,650.78, 1,079,307,423.39 and 221,522,297.27 is: 332,315,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,469,650.78 : 1,079,307,423.39 = 221,522,297.27 : x
  2. Step 2: Convert to fraction form
    719,469,650.78/1,079,307,423.39 = 221,522,297.27/x
  3. Step 3: Cross multiply
    719,469,650.78x = 1,079,307,423.39 × 221,522,297.27
  4. Step 4: Simplify right side
    719,469,650.78x = 239,090,659,893,396,672
  5. Step 5: Solve for x
    x = 239,090,659,893,396,672/719,469,650.78
  6. Step 6: Final answer
    x = 332,315,143.01

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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.