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Finding the Fourth Proportional to 370,978,049.20, 556,467,073.80 and 98,376,372.40

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Solution

The fourth proportional to 370,978,049.20, 556,467,073.80 and 98,376,372.40 is: 147,564,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,978,049.20 : 556,467,073.80 = 98,376,372.40 : x
  2. Step 2: Convert to fraction form
    370,978,049.20/556,467,073.80 = 98,376,372.40/x
  3. Step 3: Cross multiply
    370,978,049.20x = 556,467,073.80 × 98,376,372.40
  4. Step 4: Simplify right side
    370,978,049.20x = 54,743,212,080,487,080
  5. Step 5: Solve for x
    x = 54,743,212,080,487,080/370,978,049.20
  6. Step 6: Final answer
    x = 147,564,558.60

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