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Finding the Fourth Proportional to 590,503,390.80, 885,755,086.20 and 318,405,598.80

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Solution

The fourth proportional to 590,503,390.80, 885,755,086.20 and 318,405,598.80 is: 477,608,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,503,390.80 : 885,755,086.20 = 318,405,598.80 : x
  2. Step 2: Convert to fraction form
    590,503,390.80/885,755,086.20 = 318,405,598.80/x
  3. Step 3: Cross multiply
    590,503,390.80x = 885,755,086.20 × 318,405,598.80
  4. Step 4: Simplify right side
    590,503,390.80x = 282,029,378,611,656,640
  5. Step 5: Solve for x
    x = 282,029,378,611,656,640/590,503,390.80
  6. Step 6: Final answer
    x = 477,608,398.20

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