Home / 665,696,572.20-998,544,858.30-277,797,786.30

Finding the Fourth Proportional to 665,696,572.20, 998,544,858.30 and 277,797,786.30

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Solution

The fourth proportional to 665,696,572.20, 998,544,858.30 and 277,797,786.30 is: 416,696,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,696,572.20 : 998,544,858.30 = 277,797,786.30 : x
  2. Step 2: Convert to fraction form
    665,696,572.20/998,544,858.30 = 277,797,786.30/x
  3. Step 3: Cross multiply
    665,696,572.20x = 998,544,858.30 × 277,797,786.30
  4. Step 4: Simplify right side
    665,696,572.20x = 277,393,551,156,987,168
  5. Step 5: Solve for x
    x = 277,393,551,156,987,168/665,696,572.20
  6. Step 6: Final answer
    x = 416,696,679.45

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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.