Home / 21,848,739,448.12-30,150,939,557.84-12,203,610,175.43

Finding the Fourth Proportional to 21,848,739,448.12, 30,150,939,557.84 and 12,203,610,175.43

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Solution

The fourth proportional to 21,848,739,448.12, 30,150,939,557.84 and 12,203,610,175.43 is: 16,840,802,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848,739,448.12 : 30,150,939,557.84 = 12,203,610,175.43 : x
  2. Step 2: Convert to fraction form
    21,848,739,448.12/30,150,939,557.84 = 12,203,610,175.43/x
  3. Step 3: Cross multiply
    21,848,739,448.12x = 30,150,939,557.84 × 12,203,610,175.43
  4. Step 4: Simplify right side
    21,848,739,448.12x = 367,950,312,786,739,986,432
  5. Step 5: Solve for x
    x = 367,950,312,786,739,986,432/21,848,739,448.12
  6. Step 6: Final answer
    x = 16,840,802,814.30

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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.