Home / 15,542,369,268.98-21,448,469,425.12-8,405,783,081.03

Finding the Fourth Proportional to 15,542,369,268.98, 21,448,469,425.12 and 8,405,783,081.03

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Solution

The fourth proportional to 15,542,369,268.98, 21,448,469,425.12 and 8,405,783,081.03 is: 11,599,980,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542,369,268.98 : 21,448,469,425.12 = 8,405,783,081.03 : x
  2. Step 2: Convert to fraction form
    15,542,369,268.98/21,448,469,425.12 = 8,405,783,081.03/x
  3. Step 3: Cross multiply
    15,542,369,268.98x = 21,448,469,425.12 × 8,405,783,081.03
  4. Step 4: Simplify right side
    15,542,369,268.98x = 180,291,181,407,593,037,824
  5. Step 5: Solve for x
    x = 180,291,181,407,593,037,824/15,542,369,268.98
  6. Step 6: Final answer
    x = 11,599,980,562.00

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Double scale
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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.