Home / 421,021,126.35-580,979,659.39-244,796,619.35

Finding the Fourth Proportional to 421,021,126.35, 580,979,659.39 and 244,796,619.35

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Solution

The fourth proportional to 421,021,126.35, 580,979,659.39 and 244,796,619.35 is: 337,802,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,021,126.35 : 580,979,659.39 = 244,796,619.35 : x
  2. Step 2: Convert to fraction form
    421,021,126.35/580,979,659.39 = 244,796,619.35/x
  3. Step 3: Cross multiply
    421,021,126.35x = 580,979,659.39 × 244,796,619.35
  4. Step 4: Simplify right side
    421,021,126.35x = 142,221,856,530,626,944
  5. Step 5: Solve for x
    x = 142,221,856,530,626,944/421,021,126.35
  6. Step 6: Final answer
    x = 337,802,185.28

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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.