Home / 6,243,267,384.25-9,361,161,211.47-1,987,120,343.88

Finding the Fourth Proportional to 6,243,267,384.25, 9,361,161,211.47 and 1,987,120,343.88

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Solution

The fourth proportional to 6,243,267,384.25, 9,361,161,211.47 and 1,987,120,343.88 is: 2,979,490,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243,267,384.25 : 9,361,161,211.47 = 1,987,120,343.88 : x
  2. Step 2: Convert to fraction form
    6,243,267,384.25/9,361,161,211.47 = 1,987,120,343.88/x
  3. Step 3: Cross multiply
    6,243,267,384.25x = 9,361,161,211.47 × 1,987,120,343.88
  4. Step 4: Simplify right side
    6,243,267,384.25x = 18,601,753,885,652,381,696
  5. Step 5: Solve for x
    x = 18,601,753,885,652,381,696/6,243,267,384.25
  6. Step 6: Final answer
    x = 2,979,490,183.71

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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.