Home / 419,904,047.40-629,856,071.10-391,206,233.40

Finding the Fourth Proportional to 419,904,047.40, 629,856,071.10 and 391,206,233.40

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Solution

The fourth proportional to 419,904,047.40, 629,856,071.10 and 391,206,233.40 is: 586,809,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,047.40 : 629,856,071.10 = 391,206,233.40 : x
  2. Step 2: Convert to fraction form
    419,904,047.40/629,856,071.10 = 391,206,233.40/x
  3. Step 3: Cross multiply
    419,904,047.40x = 629,856,071.10 × 391,206,233.40
  4. Step 4: Simplify right side
    419,904,047.40x = 246,403,621,159,153,600
  5. Step 5: Solve for x
    x = 246,403,621,159,153,600/419,904,047.40
  6. Step 6: Final answer
    x = 586,809,350.10

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