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Finding the Fourth Proportional to 608,978,683.20, 840,398,645.01 and 330,523,544.64

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Solution

The fourth proportional to 608,978,683.20, 840,398,645.01 and 330,523,544.64 is: 456,126,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,978,683.20 : 840,398,645.01 = 330,523,544.64 : x
  2. Step 2: Convert to fraction form
    608,978,683.20/840,398,645.01 = 330,523,544.64/x
  3. Step 3: Cross multiply
    608,978,683.20x = 840,398,645.01 × 330,523,544.64
  4. Step 4: Simplify right side
    608,978,683.20x = 277,771,539,059,358,240
  5. Step 5: Solve for x
    x = 277,771,539,059,358,240/608,978,683.20
  6. Step 6: Final answer
    x = 456,126,867.36

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Why These Related Problems?

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