Home / 251,786,289,631.20-377,679,434,446.80-102,644,954,872.80

Finding the Fourth Proportional to 251,786,289,631.20, 377,679,434,446.80 and 102,644,954,872.80

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Solution

The fourth proportional to 251,786,289,631.20, 377,679,434,446.80 and 102,644,954,872.80 is: 153,967,432,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,786,289,631.20 : 377,679,434,446.80 = 102,644,954,872.80 : x
  2. Step 2: Convert to fraction form
    251,786,289,631.20/377,679,434,446.80 = 102,644,954,872.80/x
  3. Step 3: Cross multiply
    251,786,289,631.20x = 377,679,434,446.80 × 102,644,954,872.80
  4. Step 4: Simplify right side
    251,786,289,631.20x = 38,766,888,505,176,410,292,224
  5. Step 5: Solve for x
    x = 38,766,888,505,176,410,292,224/251,786,289,631.20
  6. Step 6: Final answer
    x = 153,967,432,309.20

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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.