Home / 721,193,517,778.75-1,081,825,066,318.60-237,137,021,064.58

Finding the Fourth Proportional to 721,193,517,778.75, 1,081,825,066,318.60 and 237,137,021,064.58

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Solution

The fourth proportional to 721,193,517,778.75, 1,081,825,066,318.60 and 237,137,021,064.58 is: 355,716,970,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,193,517,778.75 : 1,081,825,066,318.60 = 237,137,021,064.58 : x
  2. Step 2: Convert to fraction form
    721,193,517,778.75/1,081,825,066,318.60 = 237,137,021,064.58/x
  3. Step 3: Cross multiply
    721,193,517,778.75x = 1,081,825,066,318.60 × 237,137,021,064.58
  4. Step 4: Simplify right side
    721,193,517,778.75x = 256,540,773,539,784,471,609,344
  5. Step 5: Solve for x
    x = 256,540,773,539,784,471,609,344/721,193,517,778.75
  6. Step 6: Final answer
    x = 355,716,970,848.44

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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.