Home / 722,194,677,892.90-996,629,296,610.80-397,039,501,809.75

Finding the Fourth Proportional to 722,194,677,892.90, 996,629,296,610.80 and 397,039,501,809.75

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Solution

The fourth proportional to 722,194,677,892.90, 996,629,296,610.80 and 397,039,501,809.75 is: 547,914,864,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,194,677,892.90 : 996,629,296,610.80 = 397,039,501,809.75 : x
  2. Step 2: Convert to fraction form
    722,194,677,892.90/996,629,296,610.80 = 397,039,501,809.75/x
  3. Step 3: Cross multiply
    722,194,677,892.90x = 996,629,296,610.80 × 397,039,501,809.75
  4. Step 4: Simplify right side
    722,194,677,892.90x = 395,701,199,415,353,603,522,560
  5. Step 5: Solve for x
    x = 395,701,199,415,353,603,522,560/722,194,677,892.90
  6. Step 6: Final answer
    x = 547,914,864,963.93

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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.