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Finding the Fourth Proportional to 472,392,486.80, 708,588,730.20 and 469,522,705.40

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Solution

The fourth proportional to 472,392,486.80, 708,588,730.20 and 469,522,705.40 is: 704,284,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,486.80 : 708,588,730.20 = 469,522,705.40 : x
  2. Step 2: Convert to fraction form
    472,392,486.80/708,588,730.20 = 469,522,705.40/x
  3. Step 3: Cross multiply
    472,392,486.80x = 708,588,730.20 × 469,522,705.40
  4. Step 4: Simplify right side
    472,392,486.80x = 332,698,497,619,454,720
  5. Step 5: Solve for x
    x = 332,698,497,619,454,720/472,392,486.80
  6. Step 6: Final answer
    x = 704,284,058.10

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