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Finding the Fourth Proportional to 472,392,643.80, 708,588,965.70 and 464,739,893.40

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Solution

The fourth proportional to 472,392,643.80, 708,588,965.70 and 464,739,893.40 is: 697,109,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,643.80 : 708,588,965.70 = 464,739,893.40 : x
  2. Step 2: Convert to fraction form
    472,392,643.80/708,588,965.70 = 464,739,893.40/x
  3. Step 3: Cross multiply
    472,392,643.80x = 708,588,965.70 × 464,739,893.40
  4. Step 4: Simplify right side
    472,392,643.80x = 329,309,560,383,834,240
  5. Step 5: Solve for x
    x = 329,309,560,383,834,240/472,392,643.80
  6. Step 6: Final answer
    x = 697,109,840.10

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