Home / 2,083,996,917.20-3,125,995,375.80-856,757,493.20

Finding the Fourth Proportional to 2,083,996,917.20, 3,125,995,375.80 and 856,757,493.20

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Solution

The fourth proportional to 2,083,996,917.20, 3,125,995,375.80 and 856,757,493.20 is: 1,285,136,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,996,917.20 : 3,125,995,375.80 = 856,757,493.20 : x
  2. Step 2: Convert to fraction form
    2,083,996,917.20/3,125,995,375.80 = 856,757,493.20/x
  3. Step 3: Cross multiply
    2,083,996,917.20x = 3,125,995,375.80 × 856,757,493.20
  4. Step 4: Simplify right side
    2,083,996,917.20x = 2,678,219,961,925,200,384
  5. Step 5: Solve for x
    x = 2,678,219,961,925,200,384/2,083,996,917.20
  6. Step 6: Final answer
    x = 1,285,136,239.80

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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.