Home / 10,961,990,961.98-15,127,558,723.29-5,949,739,418.90

Finding the Fourth Proportional to 10,961,990,961.98, 15,127,558,723.29 and 5,949,739,418.90

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Solution

The fourth proportional to 10,961,990,961.98, 15,127,558,723.29 and 5,949,739,418.90 is: 8,210,646,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,990,961.98 : 15,127,558,723.29 = 5,949,739,418.90 : x
  2. Step 2: Convert to fraction form
    10,961,990,961.98/15,127,558,723.29 = 5,949,739,418.90/x
  3. Step 3: Cross multiply
    10,961,990,961.98x = 15,127,558,723.29 × 5,949,739,418.90
  4. Step 4: Simplify right side
    10,961,990,961.98x = 90,005,032,447,683,067,904
  5. Step 5: Solve for x
    x = 90,005,032,447,683,067,904/10,961,990,961.98
  6. Step 6: Final answer
    x = 8,210,646,474.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.