Home / 702,469,629.36-1,053,296,004.78-265,804,045.83

Finding the Fourth Proportional to 702,469,629.36, 1,053,296,004.78 and 265,804,045.83

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Solution

The fourth proportional to 702,469,629.36, 1,053,296,004.78 and 265,804,045.83 is: 398,551,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,469,629.36 : 1,053,296,004.78 = 265,804,045.83 : x
  2. Step 2: Convert to fraction form
    702,469,629.36/1,053,296,004.78 = 265,804,045.83/x
  3. Step 3: Cross multiply
    702,469,629.36x = 1,053,296,004.78 × 265,804,045.83
  4. Step 4: Simplify right side
    702,469,629.36x = 279,970,339,527,099,040
  5. Step 5: Solve for x
    x = 279,970,339,527,099,040/702,469,629.36
  6. Step 6: Final answer
    x = 398,551,521.41

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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.