Home / 1,542,543,611.82-2,313,514,129.32-493,000,282.80

Finding the Fourth Proportional to 1,542,543,611.82, 2,313,514,129.32 and 493,000,282.80

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Solution

The fourth proportional to 1,542,543,611.82, 2,313,514,129.32 and 493,000,282.80 is: 739,404,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,543,611.82 : 2,313,514,129.32 = 493,000,282.80 : x
  2. Step 2: Convert to fraction form
    1,542,543,611.82/2,313,514,129.32 = 493,000,282.80/x
  3. Step 3: Cross multiply
    1,542,543,611.82x = 2,313,514,129.32 × 493,000,282.80
  4. Step 4: Simplify right side
    1,542,543,611.82x = 1,140,563,120,016,555,904
  5. Step 5: Solve for x
    x = 1,140,563,120,016,555,904/1,542,543,611.82
  6. Step 6: Final answer
    x = 739,404,131.77

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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.