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Finding the Fourth Proportional to 419,904,502.90, 629,856,754.35 and 366,156,790.90

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Solution

The fourth proportional to 419,904,502.90, 629,856,754.35 and 366,156,790.90 is: 549,235,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,502.90 : 629,856,754.35 = 366,156,790.90 : x
  2. Step 2: Convert to fraction form
    419,904,502.90/629,856,754.35 = 366,156,790.90/x
  3. Step 3: Cross multiply
    419,904,502.90x = 629,856,754.35 × 366,156,790.90
  4. Step 4: Simplify right side
    419,904,502.90x = 230,626,327,899,485,600
  5. Step 5: Solve for x
    x = 230,626,327,899,485,600/419,904,502.90
  6. Step 6: Final answer
    x = 549,235,186.35

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