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Finding the Fourth Proportional to 978,996,394.96, 1,468,063,665.60 and 518,826,750.64

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Solution

The fourth proportional to 978,996,394.96, 1,468,063,665.60 and 518,826,750.64 is: 778,011,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,996,394.96 : 1,468,063,665.60 = 518,826,750.64 : x
  2. Step 2: Convert to fraction form
    978,996,394.96/1,468,063,665.60 = 518,826,750.64/x
  3. Step 3: Cross multiply
    978,996,394.96x = 1,468,063,665.60 × 518,826,750.64
  4. Step 4: Simplify right side
    978,996,394.96x = 761,670,701,355,895,424
  5. Step 5: Solve for x
    x = 761,670,701,355,895,424/978,996,394.96
  6. Step 6: Final answer
    x = 778,011,752.93

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