Home / 27,747,539,638.75-38,291,633,040.68-15,060,277,920.30

Finding the Fourth Proportional to 27,747,539,638.75, 38,291,633,040.68 and 15,060,277,920.30

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Solution

The fourth proportional to 27,747,539,638.75, 38,291,633,040.68 and 15,060,277,920.30 is: 20,783,198,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747,539,638.75 : 38,291,633,040.68 = 15,060,277,920.30 : x
  2. Step 2: Convert to fraction form
    27,747,539,638.75/38,291,633,040.68 = 15,060,277,920.30/x
  3. Step 3: Cross multiply
    27,747,539,638.75x = 38,291,633,040.68 × 15,060,277,920.30
  4. Step 4: Simplify right side
    27,747,539,638.75x = 576,682,635,614,782,947,328
  5. Step 5: Solve for x
    x = 576,682,635,614,782,947,328/27,747,539,638.75
  6. Step 6: Final answer
    x = 20,783,198,911.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.