Home / 2,640,293,868.70-3,960,440,803.05-2,214,131,330.80

Finding the Fourth Proportional to 2,640,293,868.70, 3,960,440,803.05 and 2,214,131,330.80

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Solution

The fourth proportional to 2,640,293,868.70, 3,960,440,803.05 and 2,214,131,330.80 is: 3,321,196,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,293,868.70 : 3,960,440,803.05 = 2,214,131,330.80 : x
  2. Step 2: Convert to fraction form
    2,640,293,868.70/3,960,440,803.05 = 2,214,131,330.80/x
  3. Step 3: Cross multiply
    2,640,293,868.70x = 3,960,440,803.05 × 2,214,131,330.80
  4. Step 4: Simplify right side
    2,640,293,868.70x = 8,768,936,065,811,718,144
  5. Step 5: Solve for x
    x = 8,768,936,065,811,718,144/2,640,293,868.70
  6. Step 6: Final answer
    x = 3,321,196,996.20

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Double scale
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1.5x scale

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.