Home / 198,951,476,890.47-298,383,273,431.82-57,430,146,318.63

Finding the Fourth Proportional to 198,951,476,890.47, 298,383,273,431.82 and 57,430,146,318.63

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Solution

The fourth proportional to 198,951,476,890.47, 298,383,273,431.82 and 57,430,146,318.63 is: 86,132,535,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,951,476,890.47 : 298,383,273,431.82 = 57,430,146,318.63 : x
  2. Step 2: Convert to fraction form
    198,951,476,890.47/298,383,273,431.82 = 57,430,146,318.63/x
  3. Step 3: Cross multiply
    198,951,476,890.47x = 298,383,273,431.82 × 57,430,146,318.63
  4. Step 4: Simplify right side
    198,951,476,890.47x = 17,136,195,052,221,205,839,872
  5. Step 5: Solve for x
    x = 17,136,195,052,221,205,839,872/198,951,476,890.47
  6. Step 6: Final answer
    x = 86,132,535,028.40

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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.