Home / 2,586,949,857.80-3,880,991,657.10-1,277,479,233.80

Finding the Fourth Proportional to 2,586,949,857.80, 3,880,991,657.10 and 1,277,479,233.80

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Solution

The fourth proportional to 2,586,949,857.80, 3,880,991,657.10 and 1,277,479,233.80 is: 1,916,498,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,949,857.80 : 3,880,991,657.10 = 1,277,479,233.80 : x
  2. Step 2: Convert to fraction form
    2,586,949,857.80/3,880,991,657.10 = 1,277,479,233.80/x
  3. Step 3: Cross multiply
    2,586,949,857.80x = 3,880,991,657.10 × 1,277,479,233.80
  4. Step 4: Simplify right side
    2,586,949,857.80x = 4,957,886,248,496,300,032
  5. Step 5: Solve for x
    x = 4,957,886,248,496,300,032/2,586,949,857.80
  6. Step 6: Final answer
    x = 1,916,498,780.81

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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.