Home / 721,071,076.08-1,081,455,260-203,380,450.72

Finding the Fourth Proportional to 721,071,076.08, 1,081,455,260 and 203,380,450.72

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Solution

The fourth proportional to 721,071,076.08, 1,081,455,260 and 203,380,450.72 is: 305,027,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,071,076.08 : 1,081,455,260 = 203,380,450.72 : x
  2. Step 2: Convert to fraction form
    721,071,076.08/1,081,455,260 = 203,380,450.72/x
  3. Step 3: Cross multiply
    721,071,076.08x = 1,081,455,260 × 203,380,450.72
  4. Step 4: Simplify right side
    721,071,076.08x = 219,946,858,212,314,784
  5. Step 5: Solve for x
    x = 219,946,858,212,314,784/721,071,076.08
  6. Step 6: Final answer
    x = 305,027,986.16

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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.