Home / 472,393,052.80-708,589,579.20-442,159,964.80

Finding the Fourth Proportional to 472,393,052.80, 708,589,579.20 and 442,159,964.80

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Solution

The fourth proportional to 472,393,052.80, 708,589,579.20 and 442,159,964.80 is: 663,239,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,052.80 : 708,589,579.20 = 442,159,964.80 : x
  2. Step 2: Convert to fraction form
    472,393,052.80/708,589,579.20 = 442,159,964.80/x
  3. Step 3: Cross multiply
    472,393,052.80x = 708,589,579.20 × 442,159,964.80
  4. Step 4: Simplify right side
    472,393,052.80x = 313,309,943,396,718,848
  5. Step 5: Solve for x
    x = 313,309,943,396,718,848/472,393,052.80
  6. Step 6: Final answer
    x = 663,239,947.20

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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.