Home / 472,392,488.20-708,588,732.30-318,203,739.40

Finding the Fourth Proportional to 472,392,488.20, 708,588,732.30 and 318,203,739.40

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Solution

The fourth proportional to 472,392,488.20, 708,588,732.30 and 318,203,739.40 is: 477,305,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,488.20 : 708,588,732.30 = 318,203,739.40 : x
  2. Step 2: Convert to fraction form
    472,392,488.20/708,588,732.30 = 318,203,739.40/x
  3. Step 3: Cross multiply
    472,392,488.20x = 708,588,732.30 × 318,203,739.40
  4. Step 4: Simplify right side
    472,392,488.20x = 225,475,584,314,565,536
  5. Step 5: Solve for x
    x = 225,475,584,314,565,536/472,392,488.20
  6. Step 6: Final answer
    x = 477,305,609.10

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