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Finding the Fourth Proportional to 494,381,978.40, 741,572,967.60 and 149,299,622.40

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Solution

The fourth proportional to 494,381,978.40, 741,572,967.60 and 149,299,622.40 is: 223,949,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,381,978.40 : 741,572,967.60 = 149,299,622.40 : x
  2. Step 2: Convert to fraction form
    494,381,978.40/741,572,967.60 = 149,299,622.40/x
  3. Step 3: Cross multiply
    494,381,978.40x = 741,572,967.60 × 149,299,622.40
  4. Step 4: Simplify right side
    494,381,978.40x = 110,716,564,044,727,440
  5. Step 5: Solve for x
    x = 110,716,564,044,727,440/494,381,978.40
  6. Step 6: Final answer
    x = 223,949,433.60

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