Home / 2,166,926,080.05-2,990,542,418.24-1,227,295,876.77

Finding the Fourth Proportional to 2,166,926,080.05, 2,990,542,418.24 and 1,227,295,876.77

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Solution

The fourth proportional to 2,166,926,080.05, 2,990,542,418.24 and 1,227,295,876.77 is: 1,693,772,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,926,080.05 : 2,990,542,418.24 = 1,227,295,876.77 : x
  2. Step 2: Convert to fraction form
    2,166,926,080.05/2,990,542,418.24 = 1,227,295,876.77/x
  3. Step 3: Cross multiply
    2,166,926,080.05x = 2,990,542,418.24 × 1,227,295,876.77
  4. Step 4: Simplify right side
    2,166,926,080.05x = 3,670,280,379,205,600,256
  5. Step 5: Solve for x
    x = 3,670,280,379,205,600,256/2,166,926,080.05
  6. Step 6: Final answer
    x = 1,693,772,765.48

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1.5x scale

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.