Home / 680,365,440.73-1,019,719,054.81-352,660,286.89

Finding the Fourth Proportional to 680,365,440.73, 1,019,719,054.81 and 352,660,286.89

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Solution

The fourth proportional to 680,365,440.73, 1,019,719,054.81 and 352,660,286.89 is: 528,560,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,365,440.73 : 1,019,719,054.81 = 352,660,286.89 : x
  2. Step 2: Convert to fraction form
    680,365,440.73/1,019,719,054.81 = 352,660,286.89/x
  3. Step 3: Cross multiply
    680,365,440.73x = 1,019,719,054.81 × 352,660,286.89
  4. Step 4: Simplify right side
    680,365,440.73x = 359,614,414,416,494,208
  5. Step 5: Solve for x
    x = 359,614,414,416,494,208/680,365,440.73
  6. Step 6: Final answer
    x = 528,560,671.79

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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.