Home / 561,887,677,664.95-775,405,569,046.45-304,970,627,866.22

Finding the Fourth Proportional to 561,887,677,664.95, 775,405,569,046.45 and 304,970,627,866.22

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Solution

The fourth proportional to 561,887,677,664.95, 775,405,569,046.45 and 304,970,627,866.22 is: 420,859,777,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,887,677,664.95 : 775,405,569,046.45 = 304,970,627,866.22 : x
  2. Step 2: Convert to fraction form
    561,887,677,664.95/775,405,569,046.45 = 304,970,627,866.22/x
  3. Step 3: Cross multiply
    561,887,677,664.95x = 775,405,569,046.45 × 304,970,627,866.22
  4. Step 4: Simplify right side
    561,887,677,664.95x = 236,475,923,243,059,417,972,736
  5. Step 5: Solve for x
    x = 236,475,923,243,059,417,972,736/561,887,677,664.95
  6. Step 6: Final answer
    x = 420,859,777,928.91

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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.