Home / 442,949,621.80-664,361,447.10-151,830,178.60

Finding the Fourth Proportional to 442,949,621.80, 664,361,447.10 and 151,830,178.60

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Solution

The fourth proportional to 442,949,621.80, 664,361,447.10 and 151,830,178.60 is: 227,723,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,949,621.80 : 664,361,447.10 = 151,830,178.60 : x
  2. Step 2: Convert to fraction form
    442,949,621.80/664,361,447.10 = 151,830,178.60/x
  3. Step 3: Cross multiply
    442,949,621.80x = 664,361,447.10 × 151,830,178.60
  4. Step 4: Simplify right side
    442,949,621.80x = 100,870,117,168,147,456
  5. Step 5: Solve for x
    x = 100,870,117,168,147,456/442,949,621.80
  6. Step 6: Final answer
    x = 227,723,678.28

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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.