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Finding the Fourth Proportional to 651,732,087.20, 978,731,871.60 and 345,622,071.20

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Solution

The fourth proportional to 651,732,087.20, 978,731,871.60 and 345,622,071.20 is: 519,034,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,732,087.20 : 978,731,871.60 = 345,622,071.20 : x
  2. Step 2: Convert to fraction form
    651,732,087.20/978,731,871.60 = 345,622,071.20/x
  3. Step 3: Cross multiply
    651,732,087.20x = 978,731,871.60 × 345,622,071.20
  4. Step 4: Simplify right side
    651,732,087.20x = 338,271,336,611,844,480
  5. Step 5: Solve for x
    x = 338,271,336,611,844,480/651,732,087.20
  6. Step 6: Final answer
    x = 519,034,344.41

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