Home / 856,313,161.88-1,284,360,174.06-273,998,692.76

Finding the Fourth Proportional to 856,313,161.88, 1,284,360,174.06 and 273,998,692.76

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Solution

The fourth proportional to 856,313,161.88, 1,284,360,174.06 and 273,998,692.76 is: 410,962,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,313,161.88 : 1,284,360,174.06 = 273,998,692.76 : x
  2. Step 2: Convert to fraction form
    856,313,161.88/1,284,360,174.06 = 273,998,692.76/x
  3. Step 3: Cross multiply
    856,313,161.88x = 1,284,360,174.06 × 273,998,692.76
  4. Step 4: Simplify right side
    856,313,161.88x = 351,913,008,725,446,016
  5. Step 5: Solve for x
    x = 351,913,008,725,446,016/856,313,161.88
  6. Step 6: Final answer
    x = 410,962,979.89

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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.