Home / 15,978,239,614.80-22,031,926,348.41-11,951,003,598.84

Finding the Fourth Proportional to 15,978,239,614.80, 22,031,926,348.41 and 11,951,003,598.84

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Solution

The fourth proportional to 15,978,239,614.80, 22,031,926,348.41 and 11,951,003,598.84 is: 16,478,888,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,239,614.80 : 22,031,926,348.41 = 11,951,003,598.84 : x
  2. Step 2: Convert to fraction form
    15,978,239,614.80/22,031,926,348.41 = 11,951,003,598.84/x
  3. Step 3: Cross multiply
    15,978,239,614.80x = 22,031,926,348.41 × 11,951,003,598.84
  4. Step 4: Simplify right side
    15,978,239,614.80x = 263,303,631,079,225,720,832
  5. Step 5: Solve for x
    x = 263,303,631,079,225,720,832/15,978,239,614.80
  6. Step 6: Final answer
    x = 16,478,888,627.71

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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.