Home / 8,371,120,172.40-12,556,680,258.60-4,186,978,891.20

Finding the Fourth Proportional to 8,371,120,172.40, 12,556,680,258.60 and 4,186,978,891.20

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Solution

The fourth proportional to 8,371,120,172.40, 12,556,680,258.60 and 4,186,978,891.20 is: 6,280,468,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371,120,172.40 : 12,556,680,258.60 = 4,186,978,891.20 : x
  2. Step 2: Convert to fraction form
    8,371,120,172.40/12,556,680,258.60 = 4,186,978,891.20/x
  3. Step 3: Cross multiply
    8,371,120,172.40x = 12,556,680,258.60 × 4,186,978,891.20
  4. Step 4: Simplify right side
    8,371,120,172.40x = 52,574,555,186,305,957,888
  5. Step 5: Solve for x
    x = 52,574,555,186,305,957,888/8,371,120,172.40
  6. Step 6: Final answer
    x = 6,280,468,336.80

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