Home / 2,151,449,190.78-2,968,969,703.46-1,198,870,077.84

Finding the Fourth Proportional to 2,151,449,190.78, 2,968,969,703.46 and 1,198,870,077.84

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Solution

The fourth proportional to 2,151,449,190.78, 2,968,969,703.46 and 1,198,870,077.84 is: 1,654,423,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,449,190.78 : 2,968,969,703.46 = 1,198,870,077.84 : x
  2. Step 2: Convert to fraction form
    2,151,449,190.78/2,968,969,703.46 = 1,198,870,077.84/x
  3. Step 3: Cross multiply
    2,151,449,190.78x = 2,968,969,703.46 × 1,198,870,077.84
  4. Step 4: Simplify right side
    2,151,449,190.78x = 3,559,408,939,491,691,520
  5. Step 5: Solve for x
    x = 3,559,408,939,491,691,520/2,151,449,190.78
  6. Step 6: Final answer
    x = 1,654,423,890.07

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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.