Home / 561,887,677,981.46-775,405,569,483.96-304,970,628,183.68

Finding the Fourth Proportional to 561,887,677,981.46, 775,405,569,483.96 and 304,970,628,183.68

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Solution

The fourth proportional to 561,887,677,981.46, 775,405,569,483.96 and 304,970,628,183.68 is: 420,859,778,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,887,677,981.46 : 775,405,569,483.96 = 304,970,628,183.68 : x
  2. Step 2: Convert to fraction form
    561,887,677,981.46/775,405,569,483.96 = 304,970,628,183.68/x
  3. Step 3: Cross multiply
    561,887,677,981.46x = 775,405,569,483.96 × 304,970,628,183.68
  4. Step 4: Simplify right side
    561,887,677,981.46x = 236,475,923,622,647,386,079,232
  5. Step 5: Solve for x
    x = 236,475,923,622,647,386,079,232/561,887,677,981.46
  6. Step 6: Final answer
    x = 420,859,778,367.40

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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.