Home / 660,301,905.60-990,547,336.80-200,276,078.40

Finding the Fourth Proportional to 660,301,905.60, 990,547,336.80 and 200,276,078.40

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Solution

The fourth proportional to 660,301,905.60, 990,547,336.80 and 200,276,078.40 is: 300,442,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,301,905.60 : 990,547,336.80 = 200,276,078.40 : x
  2. Step 2: Convert to fraction form
    660,301,905.60/990,547,336.80 = 200,276,078.40/x
  3. Step 3: Cross multiply
    660,301,905.60x = 990,547,336.80 × 200,276,078.40
  4. Step 4: Simplify right side
    660,301,905.60x = 198,382,936,083,868,000
  5. Step 5: Solve for x
    x = 198,382,936,083,868,000/660,301,905.60
  6. Step 6: Final answer
    x = 300,442,773.83

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