Home / 198,807,258,531.15-298,252,769,777.42-64,491,260,838.61

Finding the Fourth Proportional to 198,807,258,531.15, 298,252,769,777.42 and 64,491,260,838.61

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Solution

The fourth proportional to 198,807,258,531.15, 298,252,769,777.42 and 64,491,260,838.61 is: 96,750,477,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,807,258,531.15 : 298,252,769,777.42 = 64,491,260,838.61 : x
  2. Step 2: Convert to fraction form
    198,807,258,531.15/298,252,769,777.42 = 64,491,260,838.61/x
  3. Step 3: Cross multiply
    198,807,258,531.15x = 298,252,769,777.42 × 64,491,260,838.61
  4. Step 4: Simplify right side
    198,807,258,531.15x = 19,234,697,171,554,084,585,472
  5. Step 5: Solve for x
    x = 19,234,697,171,554,084,585,472/198,807,258,531.15
  6. Step 6: Final answer
    x = 96,750,477,390.34

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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.