Home / 198,807,258,561.96-298,252,769,823.42-64,491,260,869.56

Finding the Fourth Proportional to 198,807,258,561.96, 298,252,769,823.42 and 64,491,260,869.56

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Solution

The fourth proportional to 198,807,258,561.96, 298,252,769,823.42 and 64,491,260,869.56 is: 96,750,477,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,807,258,561.96 : 298,252,769,823.42 = 64,491,260,869.56 : x
  2. Step 2: Convert to fraction form
    198,807,258,561.96/298,252,769,823.42 = 64,491,260,869.56/x
  3. Step 3: Cross multiply
    198,807,258,561.96x = 298,252,769,823.42 × 64,491,260,869.56
  4. Step 4: Simplify right side
    198,807,258,561.96x = 19,234,697,183,751,011,565,568
  5. Step 5: Solve for x
    x = 19,234,697,183,751,011,565,568/198,807,258,561.96
  6. Step 6: Final answer
    x = 96,750,477,436.70

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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.