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Finding the Fourth Proportional to 698,281,257.41, 1,046,236,599.54 and 421,350,600

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Solution

The fourth proportional to 698,281,257.41, 1,046,236,599.54 and 421,350,600 is: 631,310,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,281,257.41 : 1,046,236,599.54 = 421,350,600 : x
  2. Step 2: Convert to fraction form
    698,281,257.41/1,046,236,599.54 = 421,350,600/x
  3. Step 3: Cross multiply
    698,281,257.41x = 1,046,236,599.54 × 421,350,600
  4. Step 4: Simplify right side
    698,281,257.41x = 440,832,418,958,138,688
  5. Step 5: Solve for x
    x = 440,832,418,958,138,688/698,281,257.41
  6. Step 6: Final answer
    x = 631,310,685.03

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