Home / 891,682,556.36-1,336,993,972.16-339,025,439.24

Finding the Fourth Proportional to 891,682,556.36, 1,336,993,972.16 and 339,025,439.24

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Solution

The fourth proportional to 891,682,556.36, 1,336,993,972.16 and 339,025,439.24 is: 508,336,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,682,556.36 : 1,336,993,972.16 = 339,025,439.24 : x
  2. Step 2: Convert to fraction form
    891,682,556.36/1,336,993,972.16 = 339,025,439.24/x
  3. Step 3: Cross multiply
    891,682,556.36x = 1,336,993,972.16 × 339,025,439.24
  4. Step 4: Simplify right side
    891,682,556.36x = 453,274,968,672,776,384
  5. Step 5: Solve for x
    x = 453,274,968,672,776,384/891,682,556.36
  6. Step 6: Final answer
    x = 508,336,700.59

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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.