Home / 442,880,728.80-664,321,093.20-119,764,600.80

Finding the Fourth Proportional to 442,880,728.80, 664,321,093.20 and 119,764,600.80

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Solution

The fourth proportional to 442,880,728.80, 664,321,093.20 and 119,764,600.80 is: 179,646,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,880,728.80 : 664,321,093.20 = 119,764,600.80 : x
  2. Step 2: Convert to fraction form
    442,880,728.80/664,321,093.20 = 119,764,600.80/x
  3. Step 3: Cross multiply
    442,880,728.80x = 664,321,093.20 × 119,764,600.80
  4. Step 4: Simplify right side
    442,880,728.80x = 79,562,150,530,117,600
  5. Step 5: Solve for x
    x = 79,562,150,530,117,600/442,880,728.80
  6. Step 6: Final answer
    x = 179,646,901.20

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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.