Home / 27,731,220,144.30-38,265,855,288.37-15,524,593,678.84

Finding the Fourth Proportional to 27,731,220,144.30, 38,265,855,288.37 and 15,524,593,678.84

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Solution

The fourth proportional to 27,731,220,144.30, 38,265,855,288.37 and 15,524,593,678.84 is: 21,422,131,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731,220,144.30 : 38,265,855,288.37 = 15,524,593,678.84 : x
  2. Step 2: Convert to fraction form
    27,731,220,144.30/38,265,855,288.37 = 15,524,593,678.84/x
  3. Step 3: Cross multiply
    27,731,220,144.30x = 38,265,855,288.37 × 15,524,593,678.84
  4. Step 4: Simplify right side
    27,731,220,144.30x = 594,061,855,125,235,171,328
  5. Step 5: Solve for x
    x = 594,061,855,125,235,171,328/27,731,220,144.30
  6. Step 6: Final answer
    x = 21,422,131,880.03

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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.