Home / 2,640,290,851,673-3,960,431,334,223-827,305,260,417.45

Finding the Fourth Proportional to 2,640,290,851,673, 3,960,431,334,223 and 827,305,260,417.45

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Solution

The fourth proportional to 2,640,290,851,673, 3,960,431,334,223 and 827,305,260,417.45 is: 1,240,956,341,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,290,851,673 : 3,960,431,334,223 = 827,305,260,417.45 : x
  2. Step 2: Convert to fraction form
    2,640,290,851,673/3,960,431,334,223 = 827,305,260,417.45/x
  3. Step 3: Cross multiply
    2,640,290,851,673x = 3,960,431,334,223 × 827,305,260,417.45
  4. Step 4: Simplify right side
    2,640,290,851,673x = 3,276,485,676,324,788,042,203,136
  5. Step 5: Solve for x
    x = 3,276,485,676,324,788,042,203,136/2,640,290,851,673
  6. Step 6: Final answer
    x = 1,240,956,341,703.29

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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.