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Finding the Fourth Proportional to 663,552,401.80, 995,328,602.70 and 611,148,382.60

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Solution

The fourth proportional to 663,552,401.80, 995,328,602.70 and 611,148,382.60 is: 916,722,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,401.80 : 995,328,602.70 = 611,148,382.60 : x
  2. Step 2: Convert to fraction form
    663,552,401.80/995,328,602.70 = 611,148,382.60/x
  3. Step 3: Cross multiply
    663,552,401.80x = 995,328,602.70 × 611,148,382.60
  4. Step 4: Simplify right side
    663,552,401.80x = 608,293,465,695,623,040
  5. Step 5: Solve for x
    x = 608,293,465,695,623,040/663,552,401.80
  6. Step 6: Final answer
    x = 916,722,573.90

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