Home / 21,848,739,451.37-30,150,939,562.32-12,203,610,178.69

Finding the Fourth Proportional to 21,848,739,451.37, 30,150,939,562.32 and 12,203,610,178.69

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Solution

The fourth proportional to 21,848,739,451.37, 30,150,939,562.32 and 12,203,610,178.69 is: 16,840,802,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848,739,451.37 : 30,150,939,562.32 = 12,203,610,178.69 : x
  2. Step 2: Convert to fraction form
    21,848,739,451.37/30,150,939,562.32 = 12,203,610,178.69/x
  3. Step 3: Cross multiply
    21,848,739,451.37x = 30,150,939,562.32 × 12,203,610,178.69
  4. Step 4: Simplify right side
    21,848,739,451.37x = 367,950,312,939,795,382,272
  5. Step 5: Solve for x
    x = 367,950,312,939,795,382,272/21,848,739,451.37
  6. Step 6: Final answer
    x = 16,840,802,818.80

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Double scale
Find fourth proportional to 21,848,739,452.37, 30,150,939,563.70 and 12,203,610,179.69
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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.