Home / 1,200,511,193.61-1,800,857,610.38-371,548,679.25

Finding the Fourth Proportional to 1,200,511,193.61, 1,800,857,610.38 and 371,548,679.25

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Solution

The fourth proportional to 1,200,511,193.61, 1,800,857,610.38 and 371,548,679.25 is: 557,351,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,511,193.61 : 1,800,857,610.38 = 371,548,679.25 : x
  2. Step 2: Convert to fraction form
    1,200,511,193.61/1,800,857,610.38 = 371,548,679.25/x
  3. Step 3: Cross multiply
    1,200,511,193.61x = 1,800,857,610.38 × 371,548,679.25
  4. Step 4: Simplify right side
    1,200,511,193.61x = 669,106,266,652,142,336
  5. Step 5: Solve for x
    x = 669,106,266,652,142,336/1,200,511,193.61
  6. Step 6: Final answer
    x = 557,351,126.93

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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.