Home / 728,097,548.80-1,092,146,323.20-210,544,873.60

Finding the Fourth Proportional to 728,097,548.80, 1,092,146,323.20 and 210,544,873.60

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Solution

The fourth proportional to 728,097,548.80, 1,092,146,323.20 and 210,544,873.60 is: 315,817,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,097,548.80 : 1,092,146,323.20 = 210,544,873.60 : x
  2. Step 2: Convert to fraction form
    728,097,548.80/1,092,146,323.20 = 210,544,873.60/x
  3. Step 3: Cross multiply
    728,097,548.80x = 1,092,146,323.20 × 210,544,873.60
  4. Step 4: Simplify right side
    728,097,548.80x = 229,945,809,570,848,736
  5. Step 5: Solve for x
    x = 229,945,809,570,848,736/728,097,548.80
  6. Step 6: Final answer
    x = 315,817,310.40

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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.