Home / 815,997,167.56-1,224,235,896.27-263,289,227.34

Finding the Fourth Proportional to 815,997,167.56, 1,224,235,896.27 and 263,289,227.34

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Solution

The fourth proportional to 815,997,167.56, 1,224,235,896.27 and 263,289,227.34 is: 395,011,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,997,167.56 : 1,224,235,896.27 = 263,289,227.34 : x
  2. Step 2: Convert to fraction form
    815,997,167.56/1,224,235,896.27 = 263,289,227.34/x
  3. Step 3: Cross multiply
    815,997,167.56x = 1,224,235,896.27 × 263,289,227.34
  4. Step 4: Simplify right side
    815,997,167.56x = 322,328,123,210,820,672
  5. Step 5: Solve for x
    x = 322,328,123,210,820,672/815,997,167.56
  6. Step 6: Final answer
    x = 395,011,326.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.