Home / 272,171,605,141.80-408,257,407,712.70-188,419,904,764.20

Finding the Fourth Proportional to 272,171,605,141.80, 408,257,407,712.70 and 188,419,904,764.20

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Solution

The fourth proportional to 272,171,605,141.80, 408,257,407,712.70 and 188,419,904,764.20 is: 282,629,857,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,171,605,141.80 : 408,257,407,712.70 = 188,419,904,764.20 : x
  2. Step 2: Convert to fraction form
    272,171,605,141.80/408,257,407,712.70 = 188,419,904,764.20/x
  3. Step 3: Cross multiply
    272,171,605,141.80x = 408,257,407,712.70 × 188,419,904,764.20
  4. Step 4: Simplify right side
    272,171,605,141.80x = 76,923,821,880,506,117,521,408
  5. Step 5: Solve for x
    x = 76,923,821,880,506,117,521,408/272,171,605,141.80
  6. Step 6: Final answer
    x = 282,629,857,146.30

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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.