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Finding the Fourth Proportional to 497,664,538.80, 746,496,808.20 and 477,509,146.80

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Solution

The fourth proportional to 497,664,538.80, 746,496,808.20 and 477,509,146.80 is: 716,263,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,538.80 : 746,496,808.20 = 477,509,146.80 : x
  2. Step 2: Convert to fraction form
    497,664,538.80/746,496,808.20 = 477,509,146.80/x
  3. Step 3: Cross multiply
    497,664,538.80x = 746,496,808.20 × 477,509,146.80
  4. Step 4: Simplify right side
    497,664,538.80x = 356,459,053,972,505,280
  5. Step 5: Solve for x
    x = 356,459,053,972,505,280/497,664,538.80
  6. Step 6: Final answer
    x = 716,263,720.20

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