Home / 319,744,807.20-478,979,481.60-222,809,968.80

Finding the Fourth Proportional to 319,744,807.20, 478,979,481.60 and 222,809,968.80

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Solution

The fourth proportional to 319,744,807.20, 478,979,481.60 and 222,809,968.80 is: 333,770,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,744,807.20 : 478,979,481.60 = 222,809,968.80 : x
  2. Step 2: Convert to fraction form
    319,744,807.20/478,979,481.60 = 222,809,968.80/x
  3. Step 3: Cross multiply
    319,744,807.20x = 478,979,481.60 × 222,809,968.80
  4. Step 4: Simplify right side
    319,744,807.20x = 106,721,403,351,136,192
  5. Step 5: Solve for x
    x = 106,721,403,351,136,192/319,744,807.20
  6. Step 6: Final answer
    x = 333,770,559.98

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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.