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Finding the Fourth Proportional to 472,396,065.40, 708,594,098.10 and 165,648,320.20

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Solution

The fourth proportional to 472,396,065.40, 708,594,098.10 and 165,648,320.20 is: 248,472,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,065.40 : 708,594,098.10 = 165,648,320.20 : x
  2. Step 2: Convert to fraction form
    472,396,065.40/708,594,098.10 = 165,648,320.20/x
  3. Step 3: Cross multiply
    472,396,065.40x = 708,594,098.10 × 165,648,320.20
  4. Step 4: Simplify right side
    472,396,065.40x = 117,377,422,053,899,008
  5. Step 5: Solve for x
    x = 117,377,422,053,899,008/472,396,065.40
  6. Step 6: Final answer
    x = 248,472,480.30

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