Home / 2,640,198,961,090.80-3,960,298,441,636.20-1,836,843,835,100.40

Finding the Fourth Proportional to 2,640,198,961,090.80, 3,960,298,441,636.20 and 1,836,843,835,100.40

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Solution

The fourth proportional to 2,640,198,961,090.80, 3,960,298,441,636.20 and 1,836,843,835,100.40 is: 2,755,265,752,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,198,961,090.80 : 3,960,298,441,636.20 = 1,836,843,835,100.40 : x
  2. Step 2: Convert to fraction form
    2,640,198,961,090.80/3,960,298,441,636.20 = 1,836,843,835,100.40/x
  3. Step 3: Cross multiply
    2,640,198,961,090.80x = 3,960,298,441,636.20 × 1,836,843,835,100.40
  4. Step 4: Simplify right side
    2,640,198,961,090.80x = 7,274,449,777,677,175,093,198,848
  5. Step 5: Solve for x
    x = 7,274,449,777,677,175,093,198,848/2,640,198,961,090.80
  6. Step 6: Final answer
    x = 2,755,265,752,650.60

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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.