Home / 561,595,379,331.42-775,003,109,695.18-304,678,268,576.46

Finding the Fourth Proportional to 561,595,379,331.42, 775,003,109,695.18 and 304,678,268,576.46

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Solution

The fourth proportional to 561,595,379,331.42, 775,003,109,695.18 and 304,678,268,576.46 is: 420,456,816,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,595,379,331.42 : 775,003,109,695.18 = 304,678,268,576.46 : x
  2. Step 2: Convert to fraction form
    561,595,379,331.42/775,003,109,695.18 = 304,678,268,576.46/x
  3. Step 3: Cross multiply
    561,595,379,331.42x = 775,003,109,695.18 × 304,678,268,576.46
  4. Step 4: Simplify right side
    561,595,379,331.42x = 236,126,605,603,299,764,731,904
  5. Step 5: Solve for x
    x = 236,126,605,603,299,764,731,904/561,595,379,331.42
  6. Step 6: Final answer
    x = 420,456,816,942.49

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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.