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Finding the Fourth Proportional to 492,072,978.30, 738,118,215.45 and 147,030,863.10

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Solution

The fourth proportional to 492,072,978.30, 738,118,215.45 and 147,030,863.10 is: 220,548,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,072,978.30 : 738,118,215.45 = 147,030,863.10 : x
  2. Step 2: Convert to fraction form
    492,072,978.30/738,118,215.45 = 147,030,863.10/x
  3. Step 3: Cross multiply
    492,072,978.30x = 738,118,215.45 × 147,030,863.10
  4. Step 4: Simplify right side
    492,072,978.30x = 108,526,158,287,445,264
  5. Step 5: Solve for x
    x = 108,526,158,287,445,264/492,072,978.30
  6. Step 6: Final answer
    x = 220,548,908.54

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