Home / 8,661,647,817.82-12,990,391,429.22-3,999,041,937.46

Finding the Fourth Proportional to 8,661,647,817.82, 12,990,391,429.22 and 3,999,041,937.46

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Solution

The fourth proportional to 8,661,647,817.82, 12,990,391,429.22 and 3,999,041,937.46 is: 5,997,602,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,647,817.82 : 12,990,391,429.22 = 3,999,041,937.46 : x
  2. Step 2: Convert to fraction form
    8,661,647,817.82/12,990,391,429.22 = 3,999,041,937.46/x
  3. Step 3: Cross multiply
    8,661,647,817.82x = 12,990,391,429.22 × 3,999,041,937.46
  4. Step 4: Simplify right side
    8,661,647,817.82x = 51,949,120,109,471,727,616
  5. Step 5: Solve for x
    x = 51,949,120,109,471,727,616/8,661,647,817.82
  6. Step 6: Final answer
    x = 5,997,602,442.64

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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.