Home / 3,957,772,384.72-5,461,704,764.92-2,149,268,445.80

Finding the Fourth Proportional to 3,957,772,384.72, 5,461,704,764.92 and 2,149,268,445.80

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Solution

The fourth proportional to 3,957,772,384.72, 5,461,704,764.92 and 2,149,268,445.80 is: 2,965,978,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,772,384.72 : 5,461,704,764.92 = 2,149,268,445.80 : x
  2. Step 2: Convert to fraction form
    3,957,772,384.72/5,461,704,764.92 = 2,149,268,445.80/x
  3. Step 3: Cross multiply
    3,957,772,384.72x = 5,461,704,764.92 × 2,149,268,445.80
  4. Step 4: Simplify right side
    3,957,772,384.72x = 11,738,669,711,518,064,640
  5. Step 5: Solve for x
    x = 11,738,669,711,518,064,640/3,957,772,384.72
  6. Step 6: Final answer
    x = 2,965,978,982.73

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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.