Home / 421,021,160.19-580,979,705.81-244,796,653.17

Finding the Fourth Proportional to 421,021,160.19, 580,979,705.81 and 244,796,653.17

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Solution

The fourth proportional to 421,021,160.19, 580,979,705.81 and 244,796,653.17 is: 337,802,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,021,160.19 : 580,979,705.81 = 244,796,653.17 : x
  2. Step 2: Convert to fraction form
    421,021,160.19/580,979,705.81 = 244,796,653.17/x
  3. Step 3: Cross multiply
    421,021,160.19x = 580,979,705.81 × 244,796,653.17
  4. Step 4: Simplify right side
    421,021,160.19x = 142,221,887,540,755,200
  5. Step 5: Solve for x
    x = 142,221,887,540,755,200/421,021,160.19
  6. Step 6: Final answer
    x = 337,802,231.78

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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.