Home / 2,101,463,187.53-3,152,990,907.41-1,261,692,377.76

Finding the Fourth Proportional to 2,101,463,187.53, 3,152,990,907.41 and 1,261,692,377.76

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Solution

The fourth proportional to 2,101,463,187.53, 3,152,990,907.41 and 1,261,692,377.76 is: 1,893,016,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,463,187.53 : 3,152,990,907.41 = 1,261,692,377.76 : x
  2. Step 2: Convert to fraction form
    2,101,463,187.53/3,152,990,907.41 = 1,261,692,377.76/x
  3. Step 3: Cross multiply
    2,101,463,187.53x = 3,152,990,907.41 × 1,261,692,377.76
  4. Step 4: Simplify right side
    2,101,463,187.53x = 3,978,104,595,025,782,784
  5. Step 5: Solve for x
    x = 3,978,104,595,025,782,784/2,101,463,187.53
  6. Step 6: Final answer
    x = 1,893,016,550.86

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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.