Home / 272,629,251,406.70-408,943,877,110.05-259,611,922,976.30

Finding the Fourth Proportional to 272,629,251,406.70, 408,943,877,110.05 and 259,611,922,976.30

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Solution

The fourth proportional to 272,629,251,406.70, 408,943,877,110.05 and 259,611,922,976.30 is: 389,417,884,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,629,251,406.70 : 408,943,877,110.05 = 259,611,922,976.30 : x
  2. Step 2: Convert to fraction form
    272,629,251,406.70/408,943,877,110.05 = 259,611,922,976.30/x
  3. Step 3: Cross multiply
    272,629,251,406.70x = 408,943,877,110.05 × 259,611,922,976.30
  4. Step 4: Simplify right side
    272,629,251,406.70x = 106,166,706,325,923,785,867,264
  5. Step 5: Solve for x
    x = 106,166,706,325,923,785,867,264/272,629,251,406.70
  6. Step 6: Final answer
    x = 389,417,884,464.45

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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.