Home / 814,795,722.72-1,222,281,047.52-348,505,573.92

Finding the Fourth Proportional to 814,795,722.72, 1,222,281,047.52 and 348,505,573.92

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Solution

The fourth proportional to 814,795,722.72, 1,222,281,047.52 and 348,505,573.92 is: 522,795,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,795,722.72 : 1,222,281,047.52 = 348,505,573.92 : x
  2. Step 2: Convert to fraction form
    814,795,722.72/1,222,281,047.52 = 348,505,573.92/x
  3. Step 3: Cross multiply
    814,795,722.72x = 1,222,281,047.52 × 348,505,573.92
  4. Step 4: Simplify right side
    814,795,722.72x = 425,971,757,957,496,384
  5. Step 5: Solve for x
    x = 425,971,757,957,496,384/814,795,722.72
  6. Step 6: Final answer
    x = 522,795,770.87

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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.