Home / 352,670,661-486,691,329.78-193,907,504.52

Finding the Fourth Proportional to 352,670,661, 486,691,329.78 and 193,907,504.52

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Solution

The fourth proportional to 352,670,661, 486,691,329.78 and 193,907,504.52 is: 267,595,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,670,661 : 486,691,329.78 = 193,907,504.52 : x
  2. Step 2: Convert to fraction form
    352,670,661/486,691,329.78 = 193,907,504.52/x
  3. Step 3: Cross multiply
    352,670,661x = 486,691,329.78 × 193,907,504.52
  4. Step 4: Simplify right side
    352,670,661x = 94,373,101,229,160,160
  5. Step 5: Solve for x
    x = 94,373,101,229,160,160/352,670,661
  6. Step 6: Final answer
    x = 267,595,554.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.