Home / 198,781,885,908.98-298,214,711,172.78-64,465,902,819.54

Finding the Fourth Proportional to 198,781,885,908.98, 298,214,711,172.78 and 64,465,902,819.54

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Solution

The fourth proportional to 198,781,885,908.98, 298,214,711,172.78 and 64,465,902,819.54 is: 96,712,436,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,781,885,908.98 : 298,214,711,172.78 = 64,465,902,819.54 : x
  2. Step 2: Convert to fraction form
    198,781,885,908.98/298,214,711,172.78 = 64,465,902,819.54/x
  3. Step 3: Cross multiply
    198,781,885,908.98x = 298,214,711,172.78 × 64,465,902,819.54
  4. Step 4: Simplify right side
    198,781,885,908.98x = 19,224,680,589,821,627,858,944
  5. Step 5: Solve for x
    x = 19,224,680,589,821,627,858,944/198,781,885,908.98
  6. Step 6: Final answer
    x = 96,712,436,859.69

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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.