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Finding the Fourth Proportional to 405,653,023.53, 605,068,955.28 and 368,412,985.71

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Solution

The fourth proportional to 405,653,023.53, 605,068,955.28 and 368,412,985.71 is: 549,521,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,653,023.53 : 605,068,955.28 = 368,412,985.71 : x
  2. Step 2: Convert to fraction form
    405,653,023.53/605,068,955.28 = 368,412,985.71/x
  3. Step 3: Cross multiply
    405,653,023.53x = 605,068,955.28 × 368,412,985.71
  4. Step 4: Simplify right side
    405,653,023.53x = 222,915,260,375,135,232
  5. Step 5: Solve for x
    x = 222,915,260,375,135,232/405,653,023.53
  6. Step 6: Final answer
    x = 549,521,998.96

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