Home / 2,642,255,222.82-3,964,928,331.12-985,307,215.38

Finding the Fourth Proportional to 2,642,255,222.82, 3,964,928,331.12 and 985,307,215.38

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Solution

The fourth proportional to 2,642,255,222.82, 3,964,928,331.12 and 985,307,215.38 is: 1,478,537,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,255,222.82 : 3,964,928,331.12 = 985,307,215.38 : x
  2. Step 2: Convert to fraction form
    2,642,255,222.82/3,964,928,331.12 = 985,307,215.38/x
  3. Step 3: Cross multiply
    2,642,255,222.82x = 3,964,928,331.12 × 985,307,215.38
  4. Step 4: Simplify right side
    2,642,255,222.82x = 3,906,672,493,117,117,440
  5. Step 5: Solve for x
    x = 3,906,672,493,117,117,440/2,642,255,222.82
  6. Step 6: Final answer
    x = 1,478,537,144.85

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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.