Home / 408,148,632,131.20-612,222,948,196.80-367,007,445,980.80

Finding the Fourth Proportional to 408,148,632,131.20, 612,222,948,196.80 and 367,007,445,980.80

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Solution

The fourth proportional to 408,148,632,131.20, 612,222,948,196.80 and 367,007,445,980.80 is: 550,511,168,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,148,632,131.20 : 612,222,948,196.80 = 367,007,445,980.80 : x
  2. Step 2: Convert to fraction form
    408,148,632,131.20/612,222,948,196.80 = 367,007,445,980.80/x
  3. Step 3: Cross multiply
    408,148,632,131.20x = 612,222,948,196.80 × 367,007,445,980.80
  4. Step 4: Simplify right side
    408,148,632,131.20x = 224,690,380,588,543,190,761,472
  5. Step 5: Solve for x
    x = 224,690,380,588,543,190,761,472/408,148,632,131.20
  6. Step 6: Final answer
    x = 550,511,168,971.20

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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.