Home / 2,620,485,137.72-3,932,679,922.79-1,922,780,192.37

Finding the Fourth Proportional to 2,620,485,137.72, 3,932,679,922.79 and 1,922,780,192.37

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Solution

The fourth proportional to 2,620,485,137.72, 3,932,679,922.79 and 1,922,780,192.37 is: 2,885,602,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,485,137.72 : 3,932,679,922.79 = 1,922,780,192.37 : x
  2. Step 2: Convert to fraction form
    2,620,485,137.72/3,932,679,922.79 = 1,922,780,192.37/x
  3. Step 3: Cross multiply
    2,620,485,137.72x = 3,932,679,922.79 × 1,922,780,192.37
  4. Step 4: Simplify right side
    2,620,485,137.72x = 7,561,679,058,447,628,288
  5. Step 5: Solve for x
    x = 7,561,679,058,447,628,288/2,620,485,137.72
  6. Step 6: Final answer
    x = 2,885,602,726.61

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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.