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Finding the Fourth Proportional to 497,680,653.60, 746,520,980.40 and 425,121,242.40

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Solution

The fourth proportional to 497,680,653.60, 746,520,980.40 and 425,121,242.40 is: 637,681,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,680,653.60 : 746,520,980.40 = 425,121,242.40 : x
  2. Step 2: Convert to fraction form
    497,680,653.60/746,520,980.40 = 425,121,242.40/x
  3. Step 3: Cross multiply
    497,680,653.60x = 746,520,980.40 × 425,121,242.40
  4. Step 4: Simplify right side
    497,680,653.60x = 317,361,926,665,314,048
  5. Step 5: Solve for x
    x = 317,361,926,665,314,048/497,680,653.60
  6. Step 6: Final answer
    x = 637,681,863.60

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