Home / 701,696,618,120.60-968,347,018,625.16-388,842,227,872.28

Finding the Fourth Proportional to 701,696,618,120.60, 968,347,018,625.16 and 388,842,227,872.28

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Solution

The fourth proportional to 701,696,618,120.60, 968,347,018,625.16 and 388,842,227,872.28 is: 536,605,425,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,696,618,120.60 : 968,347,018,625.16 = 388,842,227,872.28 : x
  2. Step 2: Convert to fraction form
    701,696,618,120.60/968,347,018,625.16 = 388,842,227,872.28/x
  3. Step 3: Cross multiply
    701,696,618,120.60x = 968,347,018,625.16 × 388,842,227,872.28
  4. Step 4: Simplify right side
    701,696,618,120.60x = 376,534,212,075,687,491,141,632
  5. Step 5: Solve for x
    x = 376,534,212,075,687,491,141,632/701,696,618,120.60
  6. Step 6: Final answer
    x = 536,605,425,125.44

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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.