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Finding the Fourth Proportional to 978,775,379,220.40, 1,468,163,068,830.60 and 978,775,379,220.40

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Solution

The fourth proportional to 978,775,379,220.40, 1,468,163,068,830.60 and 978,775,379,220.40 is: 1,468,163,068,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,775,379,220.40 : 1,468,163,068,830.60 = 978,775,379,220.40 : x
  2. Step 2: Convert to fraction form
    978,775,379,220.40/1,468,163,068,830.60 = 978,775,379,220.40/x
  3. Step 3: Cross multiply
    978,775,379,220.40x = 1,468,163,068,830.60 × 978,775,379,220.40
  4. Step 4: Simplify right side
    978,775,379,220.40x = 1,437,001,864,452,056,893,358,080
  5. Step 5: Solve for x
    x = 1,437,001,864,452,056,893,358,080/978,775,379,220.40
  6. Step 6: Final answer
    x = 1,468,163,068,830.60

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