Home / 12,047,383,194.80-16,607,866,724.08-8,419,142,305.20

Finding the Fourth Proportional to 12,047,383,194.80, 16,607,866,724.08 and 8,419,142,305.20

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Solution

The fourth proportional to 12,047,383,194.80, 16,607,866,724.08 and 8,419,142,305.20 is: 11,606,171,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047,383,194.80 : 16,607,866,724.08 = 8,419,142,305.20 : x
  2. Step 2: Convert to fraction form
    12,047,383,194.80/16,607,866,724.08 = 8,419,142,305.20/x
  3. Step 3: Cross multiply
    12,047,383,194.80x = 16,607,866,724.08 × 8,419,142,305.20
  4. Step 4: Simplify right side
    12,047,383,194.80x = 139,823,993,335,800,004,608
  5. Step 5: Solve for x
    x = 139,823,993,335,800,004,608/12,047,383,194.80
  6. Step 6: Final answer
    x = 11,606,171,321.60

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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.