Home / 19,940,647,252.40-29,910,970,878.60-9,621,086,548.40

Finding the Fourth Proportional to 19,940,647,252.40, 29,910,970,878.60 and 9,621,086,548.40

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Solution

The fourth proportional to 19,940,647,252.40, 29,910,970,878.60 and 9,621,086,548.40 is: 14,431,629,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940,647,252.40 : 29,910,970,878.60 = 9,621,086,548.40 : x
  2. Step 2: Convert to fraction form
    19,940,647,252.40/29,910,970,878.60 = 9,621,086,548.40/x
  3. Step 3: Cross multiply
    19,940,647,252.40x = 29,910,970,878.60 × 9,621,086,548.40
  4. Step 4: Simplify right side
    19,940,647,252.40x = 287,776,039,569,682,563,072
  5. Step 5: Solve for x
    x = 287,776,039,569,682,563,072/19,940,647,252.40
  6. Step 6: Final answer
    x = 14,431,629,822.60

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1.5x scale

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.