Home / 701,696,618,103.60-968,347,018,601.64-388,842,227,855.28

Finding the Fourth Proportional to 701,696,618,103.60, 968,347,018,601.64 and 388,842,227,855.28

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Solution

The fourth proportional to 701,696,618,103.60, 968,347,018,601.64 and 388,842,227,855.28 is: 536,605,425,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,696,618,103.60 : 968,347,018,601.64 = 388,842,227,855.28 : x
  2. Step 2: Convert to fraction form
    701,696,618,103.60/968,347,018,601.64 = 388,842,227,855.28/x
  3. Step 3: Cross multiply
    701,696,618,103.60x = 968,347,018,601.64 × 388,842,227,855.28
  4. Step 4: Simplify right side
    701,696,618,103.60x = 376,534,212,050,080,023,707,648
  5. Step 5: Solve for x
    x = 376,534,212,050,080,023,707,648/701,696,618,103.60
  6. Step 6: Final answer
    x = 536,605,425,101.95

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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.