Home / 1,244,965,115.52-1,866,298,469.04-622,638,810.29

Finding the Fourth Proportional to 1,244,965,115.52, 1,866,298,469.04 and 622,638,810.29

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Solution

The fourth proportional to 1,244,965,115.52, 1,866,298,469.04 and 622,638,810.29 is: 933,383,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,965,115.52 : 1,866,298,469.04 = 622,638,810.29 : x
  2. Step 2: Convert to fraction form
    1,244,965,115.52/1,866,298,469.04 = 622,638,810.29/x
  3. Step 3: Cross multiply
    1,244,965,115.52x = 1,866,298,469.04 × 622,638,810.29
  4. Step 4: Simplify right side
    1,244,965,115.52x = 1,162,029,858,413,779,712
  5. Step 5: Solve for x
    x = 1,162,029,858,413,779,712/1,244,965,115.52
  6. Step 6: Final answer
    x = 933,383,469.08

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Double scale
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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.