Home / 3,856,512,266,457-5,321,987,796,406.50-2,122,321,822,788.30

Finding the Fourth Proportional to 3,856,512,266,457, 5,321,987,796,406.50 and 2,122,321,822,788.30

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Solution

The fourth proportional to 3,856,512,266,457, 5,321,987,796,406.50 and 2,122,321,822,788.30 is: 2,928,804,593,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,512,266,457 : 5,321,987,796,406.50 = 2,122,321,822,788.30 : x
  2. Step 2: Convert to fraction form
    3,856,512,266,457/5,321,987,796,406.50 = 2,122,321,822,788.30/x
  3. Step 3: Cross multiply
    3,856,512,266,457x = 5,321,987,796,406.50 × 2,122,321,822,788.30
  4. Step 4: Simplify right side
    3,856,512,266,457x = 11,294,970,840,926,531,769,860,096
  5. Step 5: Solve for x
    x = 11,294,970,840,926,531,769,860,096/3,856,512,266,457
  6. Step 6: Final answer
    x = 2,928,804,593,509.90

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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.