Home / 3,198,949,728.96-4,798,635,139.68-838,168,494.24

Finding the Fourth Proportional to 3,198,949,728.96, 4,798,635,139.68 and 838,168,494.24

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Solution

The fourth proportional to 3,198,949,728.96, 4,798,635,139.68 and 838,168,494.24 is: 1,257,307,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,949,728.96 : 4,798,635,139.68 = 838,168,494.24 : x
  2. Step 2: Convert to fraction form
    3,198,949,728.96/4,798,635,139.68 = 838,168,494.24/x
  3. Step 3: Cross multiply
    3,198,949,728.96x = 4,798,635,139.68 × 838,168,494.24
  4. Step 4: Simplify right side
    3,198,949,728.96x = 4,022,064,789,432,737,792
  5. Step 5: Solve for x
    x = 4,022,064,789,432,737,792/3,198,949,728.96
  6. Step 6: Final answer
    x = 1,257,307,907.35

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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.