Home / 561,887,677,986.46-775,405,569,490.86-304,970,628,188.68

Finding the Fourth Proportional to 561,887,677,986.46, 775,405,569,490.86 and 304,970,628,188.68

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Solution

The fourth proportional to 561,887,677,986.46, 775,405,569,490.86 and 304,970,628,188.68 is: 420,859,778,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,887,677,986.46 : 775,405,569,490.86 = 304,970,628,188.68 : x
  2. Step 2: Convert to fraction form
    561,887,677,986.46/775,405,569,490.86 = 304,970,628,188.68/x
  3. Step 3: Cross multiply
    561,887,677,986.46x = 775,405,569,490.86 × 304,970,628,188.68
  4. Step 4: Simplify right side
    561,887,677,986.46x = 236,475,923,628,628,732,018,688
  5. Step 5: Solve for x
    x = 236,475,923,628,628,732,018,688/561,887,677,986.46
  6. Step 6: Final answer
    x = 420,859,778,374.30

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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.