Home / 442,949,612.80-664,361,433.60-151,830,169.60

Finding the Fourth Proportional to 442,949,612.80, 664,361,433.60 and 151,830,169.60

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Solution

The fourth proportional to 442,949,612.80, 664,361,433.60 and 151,830,169.60 is: 227,723,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,949,612.80 : 664,361,433.60 = 151,830,169.60 : x
  2. Step 2: Convert to fraction form
    442,949,612.80/664,361,433.60 = 151,830,169.60/x
  3. Step 3: Cross multiply
    442,949,612.80x = 664,361,433.60 × 151,830,169.60
  4. Step 4: Simplify right side
    442,949,612.80x = 100,870,109,139,187,136
  5. Step 5: Solve for x
    x = 100,870,109,139,187,136/442,949,612.80
  6. Step 6: Final answer
    x = 227,723,664.78

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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.