Home / 701,696,618,118.60-968,347,018,622.37-388,842,227,870.28

Finding the Fourth Proportional to 701,696,618,118.60, 968,347,018,622.37 and 388,842,227,870.28

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Solution

The fourth proportional to 701,696,618,118.60, 968,347,018,622.37 and 388,842,227,870.28 is: 536,605,425,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,696,618,118.60 : 968,347,018,622.37 = 388,842,227,870.28 : x
  2. Step 2: Convert to fraction form
    701,696,618,118.60/968,347,018,622.37 = 388,842,227,870.28/x
  3. Step 3: Cross multiply
    701,696,618,118.60x = 968,347,018,622.37 × 388,842,227,870.28
  4. Step 4: Simplify right side
    701,696,618,118.60x = 376,534,212,072,665,914,540,032
  5. Step 5: Solve for x
    x = 376,534,212,072,665,914,540,032/701,696,618,118.60
  6. Step 6: Final answer
    x = 536,605,425,122.66

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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.