Home / 561,887,677,985.46-775,405,569,489.48-304,970,628,187.68

Finding the Fourth Proportional to 561,887,677,985.46, 775,405,569,489.48 and 304,970,628,187.68

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Solution

The fourth proportional to 561,887,677,985.46, 775,405,569,489.48 and 304,970,628,187.68 is: 420,859,778,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,887,677,985.46 : 775,405,569,489.48 = 304,970,628,187.68 : x
  2. Step 2: Convert to fraction form
    561,887,677,985.46/775,405,569,489.48 = 304,970,628,187.68/x
  3. Step 3: Cross multiply
    561,887,677,985.46x = 775,405,569,489.48 × 304,970,628,187.68
  4. Step 4: Simplify right side
    561,887,677,985.46x = 236,475,923,627,432,449,409,024
  5. Step 5: Solve for x
    x = 236,475,923,627,432,449,409,024/561,887,677,985.46
  6. Step 6: Final answer
    x = 420,859,778,372.92

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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.