Home / 2,640,293,999.70-3,960,440,999.55-2,214,131,461.80

Finding the Fourth Proportional to 2,640,293,999.70, 3,960,440,999.55 and 2,214,131,461.80

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Solution

The fourth proportional to 2,640,293,999.70, 3,960,440,999.55 and 2,214,131,461.80 is: 3,321,197,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,293,999.70 : 3,960,440,999.55 = 2,214,131,461.80 : x
  2. Step 2: Convert to fraction form
    2,640,293,999.70/3,960,440,999.55 = 2,214,131,461.80/x
  3. Step 3: Cross multiply
    2,640,293,999.70x = 3,960,440,999.55 × 2,214,131,461.80
  4. Step 4: Simplify right side
    2,640,293,999.70x = 8,768,937,019,706,296,320
  5. Step 5: Solve for x
    x = 8,768,937,019,706,296,320/2,640,293,999.70
  6. Step 6: Final answer
    x = 3,321,197,192.70

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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.