Home / 472,392,983.20-708,589,474.80-324,439,808.80

Finding the Fourth Proportional to 472,392,983.20, 708,589,474.80 and 324,439,808.80

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Solution

The fourth proportional to 472,392,983.20, 708,589,474.80 and 324,439,808.80 is: 486,659,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,983.20 : 708,589,474.80 = 324,439,808.80 : x
  2. Step 2: Convert to fraction form
    472,392,983.20/708,589,474.80 = 324,439,808.80/x
  3. Step 3: Cross multiply
    472,392,983.20x = 708,589,474.80 × 324,439,808.80
  4. Step 4: Simplify right side
    472,392,983.20x = 229,894,633,721,804,416
  5. Step 5: Solve for x
    x = 229,894,633,721,804,416/472,392,983.20
  6. Step 6: Final answer
    x = 486,659,713.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.