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Finding the Fourth Proportional to 651,732,082.20, 978,731,864.10 and 345,622,066.20

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Solution

The fourth proportional to 651,732,082.20, 978,731,864.10 and 345,622,066.20 is: 519,034,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,732,082.20 : 978,731,864.10 = 345,622,066.20 : x
  2. Step 2: Convert to fraction form
    651,732,082.20/978,731,864.10 = 345,622,066.20/x
  3. Step 3: Cross multiply
    651,732,082.20x = 978,731,864.10 × 345,622,066.20
  4. Step 4: Simplify right side
    651,732,082.20x = 338,271,329,126,019,584
  5. Step 5: Solve for x
    x = 338,271,329,126,019,584/651,732,082.20
  6. Step 6: Final answer
    x = 519,034,336.91

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