Home / 20,968,578,889.19-31,452,985,916.62-6,994,162,418.65

Finding the Fourth Proportional to 20,968,578,889.19, 31,452,985,916.62 and 6,994,162,418.65

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Solution

The fourth proportional to 20,968,578,889.19, 31,452,985,916.62 and 6,994,162,418.65 is: 10,491,282,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,968,578,889.19 : 31,452,985,916.62 = 6,994,162,418.65 : x
  2. Step 2: Convert to fraction form
    20,968,578,889.19/31,452,985,916.62 = 6,994,162,418.65/x
  3. Step 3: Cross multiply
    20,968,578,889.19x = 31,452,985,916.62 × 6,994,162,418.65
  4. Step 4: Simplify right side
    20,968,578,889.19x = 219,987,292,052,530,298,880
  5. Step 5: Solve for x
    x = 219,987,292,052,530,298,880/20,968,578,889.19
  6. Step 6: Final answer
    x = 10,491,282,848.26

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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.