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Finding the Fourth Proportional to 472,197,999.80, 708,296,999.70 and 373,562,550.20

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Solution

The fourth proportional to 472,197,999.80, 708,296,999.70 and 373,562,550.20 is: 560,343,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,197,999.80 : 708,296,999.70 = 373,562,550.20 : x
  2. Step 2: Convert to fraction form
    472,197,999.80/708,296,999.70 = 373,562,550.20/x
  3. Step 3: Cross multiply
    472,197,999.80x = 708,296,999.70 × 373,562,550.20
  4. Step 4: Simplify right side
    472,197,999.80x = 264,593,233,506,940,640
  5. Step 5: Solve for x
    x = 264,593,233,506,940,640/472,197,999.80
  6. Step 6: Final answer
    x = 560,343,825.30

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