Home / 701,696,618,099.10-968,347,018,595.42-388,842,227,850.78

Finding the Fourth Proportional to 701,696,618,099.10, 968,347,018,595.42 and 388,842,227,850.78

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Solution

The fourth proportional to 701,696,618,099.10, 968,347,018,595.42 and 388,842,227,850.78 is: 536,605,425,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,696,618,099.10 : 968,347,018,595.42 = 388,842,227,850.78 : x
  2. Step 2: Convert to fraction form
    701,696,618,099.10/968,347,018,595.42 = 388,842,227,850.78/x
  3. Step 3: Cross multiply
    701,696,618,099.10x = 968,347,018,595.42 × 388,842,227,850.78
  4. Step 4: Simplify right side
    701,696,618,099.10x = 376,534,212,043,303,840,382,976
  5. Step 5: Solve for x
    x = 376,534,212,043,303,840,382,976/701,696,618,099.10
  6. Step 6: Final answer
    x = 536,605,425,095.73

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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.