Home / 1,200,511,190.61-1,800,857,605.87-371,548,676.24

Finding the Fourth Proportional to 1,200,511,190.61, 1,800,857,605.87 and 371,548,676.24

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Solution

The fourth proportional to 1,200,511,190.61, 1,800,857,605.87 and 371,548,676.24 is: 557,351,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,511,190.61 : 1,800,857,605.87 = 371,548,676.24 : x
  2. Step 2: Convert to fraction form
    1,200,511,190.61/1,800,857,605.87 = 371,548,676.24/x
  3. Step 3: Cross multiply
    1,200,511,190.61x = 1,800,857,605.87 × 371,548,676.24
  4. Step 4: Simplify right side
    1,200,511,190.61x = 669,106,259,567,109,248
  5. Step 5: Solve for x
    x = 669,106,259,567,109,248/1,200,511,190.61
  6. Step 6: Final answer
    x = 557,351,122.42

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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.