Home / 1,955,181,760.35-2,932,772,640.53-728,190,779.55

Finding the Fourth Proportional to 1,955,181,760.35, 2,932,772,640.53 and 728,190,779.55

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Solution

The fourth proportional to 1,955,181,760.35, 2,932,772,640.53 and 728,190,779.55 is: 1,092,286,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,181,760.35 : 2,932,772,640.53 = 728,190,779.55 : x
  2. Step 2: Convert to fraction form
    1,955,181,760.35/2,932,772,640.53 = 728,190,779.55/x
  3. Step 3: Cross multiply
    1,955,181,760.35x = 2,932,772,640.53 × 728,190,779.55
  4. Step 4: Simplify right side
    1,955,181,760.35x = 2,135,617,995,346,811,648
  5. Step 5: Solve for x
    x = 2,135,617,995,346,811,648/1,955,181,760.35
  6. Step 6: Final answer
    x = 1,092,286,169.33

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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.