Home / 442,949,611.80-664,361,432.10-151,830,168.60

Finding the Fourth Proportional to 442,949,611.80, 664,361,432.10 and 151,830,168.60

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Solution

The fourth proportional to 442,949,611.80, 664,361,432.10 and 151,830,168.60 is: 227,723,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,949,611.80 : 664,361,432.10 = 151,830,168.60 : x
  2. Step 2: Convert to fraction form
    442,949,611.80/664,361,432.10 = 151,830,168.60/x
  3. Step 3: Cross multiply
    442,949,611.80x = 664,361,432.10 × 151,830,168.60
  4. Step 4: Simplify right side
    442,949,611.80x = 100,870,108,247,080,448
  5. Step 5: Solve for x
    x = 100,870,108,247,080,448/442,949,611.80
  6. Step 6: Final answer
    x = 227,723,663.28

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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.