Home / 198,781,885,912.73-298,214,711,178.39-64,465,902,823.29

Finding the Fourth Proportional to 198,781,885,912.73, 298,214,711,178.39 and 64,465,902,823.29

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Solution

The fourth proportional to 198,781,885,912.73, 298,214,711,178.39 and 64,465,902,823.29 is: 96,712,436,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,781,885,912.73 : 298,214,711,178.39 = 64,465,902,823.29 : x
  2. Step 2: Convert to fraction form
    198,781,885,912.73/298,214,711,178.39 = 64,465,902,823.29/x
  3. Step 3: Cross multiply
    198,781,885,912.73x = 298,214,711,178.39 × 64,465,902,823.29
  4. Step 4: Simplify right side
    198,781,885,912.73x = 19,224,680,591,300,094,853,120
  5. Step 5: Solve for x
    x = 19,224,680,591,300,094,853,120/198,781,885,912.73
  6. Step 6: Final answer
    x = 96,712,436,865.30

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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.