Home / 2,144,693,523.60-3,217,040,285.40-1,328,400,147.60

Finding the Fourth Proportional to 2,144,693,523.60, 3,217,040,285.40 and 1,328,400,147.60

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Solution

The fourth proportional to 2,144,693,523.60, 3,217,040,285.40 and 1,328,400,147.60 is: 1,992,600,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,693,523.60 : 3,217,040,285.40 = 1,328,400,147.60 : x
  2. Step 2: Convert to fraction form
    2,144,693,523.60/3,217,040,285.40 = 1,328,400,147.60/x
  3. Step 3: Cross multiply
    2,144,693,523.60x = 3,217,040,285.40 × 1,328,400,147.60
  4. Step 4: Simplify right side
    2,144,693,523.60x = 4,273,516,789,960,505,856
  5. Step 5: Solve for x
    x = 4,273,516,789,960,505,856/2,144,693,523.60
  6. Step 6: Final answer
    x = 1,992,600,221.40

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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.