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Finding the Fourth Proportional to 879,746,618.60, 1,319,284,004.70 and 266,126,906.60

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Solution

The fourth proportional to 879,746,618.60, 1,319,284,004.70 and 266,126,906.60 is: 399,088,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,746,618.60 : 1,319,284,004.70 = 266,126,906.60 : x
  2. Step 2: Convert to fraction form
    879,746,618.60/1,319,284,004.70 = 266,126,906.60/x
  3. Step 3: Cross multiply
    879,746,618.60x = 1,319,284,004.70 × 266,126,906.60
  4. Step 4: Simplify right side
    879,746,618.60x = 351,096,971,097,670,848
  5. Step 5: Solve for x
    x = 351,096,971,097,670,848/879,746,618.60
  6. Step 6: Final answer
    x = 399,088,741.77

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