Home / 688,497,556.75-1,032,948,957.38-222,150,232.19

Finding the Fourth Proportional to 688,497,556.75, 1,032,948,957.38 and 222,150,232.19

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Solution

The fourth proportional to 688,497,556.75, 1,032,948,957.38 and 222,150,232.19 is: 333,290,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,497,556.75 : 1,032,948,957.38 = 222,150,232.19 : x
  2. Step 2: Convert to fraction form
    688,497,556.75/1,032,948,957.38 = 222,150,232.19/x
  3. Step 3: Cross multiply
    688,497,556.75x = 1,032,948,957.38 × 222,150,232.19
  4. Step 4: Simplify right side
    688,497,556.75x = 229,469,850,719,803,040
  5. Step 5: Solve for x
    x = 229,469,850,719,803,040/688,497,556.75
  6. Step 6: Final answer
    x = 333,290,726.26

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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.