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Finding the Fourth Proportional to 606,817,994.40, 910,652,144.40 and 388,998,043.20

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Solution

The fourth proportional to 606,817,994.40, 910,652,144.40 and 388,998,043.20 is: 583,769,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,817,994.40 : 910,652,144.40 = 388,998,043.20 : x
  2. Step 2: Convert to fraction form
    606,817,994.40/910,652,144.40 = 388,998,043.20/x
  3. Step 3: Cross multiply
    606,817,994.40x = 910,652,144.40 × 388,998,043.20
  4. Step 4: Simplify right side
    606,817,994.40x = 354,241,902,207,483,840
  5. Step 5: Solve for x
    x = 354,241,902,207,483,840/606,817,994.40
  6. Step 6: Final answer
    x = 583,769,607.16

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