Home / 662,085,524.40-993,128,286.60-231,208,033.20

Finding the Fourth Proportional to 662,085,524.40, 993,128,286.60 and 231,208,033.20

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Solution

The fourth proportional to 662,085,524.40, 993,128,286.60 and 231,208,033.20 is: 346,812,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,085,524.40 : 993,128,286.60 = 231,208,033.20 : x
  2. Step 2: Convert to fraction form
    662,085,524.40/993,128,286.60 = 231,208,033.20/x
  3. Step 3: Cross multiply
    662,085,524.40x = 993,128,286.60 × 231,208,033.20
  4. Step 4: Simplify right side
    662,085,524.40x = 229,619,237,860,071,904
  5. Step 5: Solve for x
    x = 229,619,237,860,071,904/662,085,524.40
  6. Step 6: Final answer
    x = 346,812,049.80

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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.