Home / 19,321,996,993.12-28,978,208,583.84-8,279,260,824.16

Finding the Fourth Proportional to 19,321,996,993.12, 28,978,208,583.84 and 8,279,260,824.16

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Solution

The fourth proportional to 19,321,996,993.12, 28,978,208,583.84 and 8,279,260,824.16 is: 12,416,840,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321,996,993.12 : 28,978,208,583.84 = 8,279,260,824.16 : x
  2. Step 2: Convert to fraction form
    19,321,996,993.12/28,978,208,583.84 = 8,279,260,824.16/x
  3. Step 3: Cross multiply
    19,321,996,993.12x = 28,978,208,583.84 × 8,279,260,824.16
  4. Step 4: Simplify right side
    19,321,996,993.12x = 239,918,147,082,523,541,504
  5. Step 5: Solve for x
    x = 239,918,147,082,523,541,504/19,321,996,993.12
  6. Step 6: Final answer
    x = 12,416,840,100.32

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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.