Home / 21,848,739,450.37-30,150,939,560.94-12,203,610,177.69

Finding the Fourth Proportional to 21,848,739,450.37, 30,150,939,560.94 and 12,203,610,177.69

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Solution

The fourth proportional to 21,848,739,450.37, 30,150,939,560.94 and 12,203,610,177.69 is: 16,840,802,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848,739,450.37 : 30,150,939,560.94 = 12,203,610,177.69 : x
  2. Step 2: Convert to fraction form
    21,848,739,450.37/30,150,939,560.94 = 12,203,610,177.69/x
  3. Step 3: Cross multiply
    21,848,739,450.37x = 30,150,939,560.94 × 12,203,610,177.69
  4. Step 4: Simplify right side
    21,848,739,450.37x = 367,950,312,892,803,448,832
  5. Step 5: Solve for x
    x = 367,950,312,892,803,448,832/21,848,739,450.37
  6. Step 6: Final answer
    x = 16,840,802,817.42

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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.