Home / 561,887,677,982.46-775,405,569,485.34-304,970,628,184.68

Finding the Fourth Proportional to 561,887,677,982.46, 775,405,569,485.34 and 304,970,628,184.68

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Solution

The fourth proportional to 561,887,677,982.46, 775,405,569,485.34 and 304,970,628,184.68 is: 420,859,778,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,887,677,982.46 : 775,405,569,485.34 = 304,970,628,184.68 : x
  2. Step 2: Convert to fraction form
    561,887,677,982.46/775,405,569,485.34 = 304,970,628,184.68/x
  3. Step 3: Cross multiply
    561,887,677,982.46x = 775,405,569,485.34 × 304,970,628,184.68
  4. Step 4: Simplify right side
    561,887,677,982.46x = 236,475,923,623,843,668,688,896
  5. Step 5: Solve for x
    x = 236,475,923,623,843,668,688,896/561,887,677,982.46
  6. Step 6: Final answer
    x = 420,859,778,368.78

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Double scale
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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.