Home / 722,194,677,895.70-996,629,296,614.60-397,039,501,812.59

Finding the Fourth Proportional to 722,194,677,895.70, 996,629,296,614.60 and 397,039,501,812.59

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Solution

The fourth proportional to 722,194,677,895.70, 996,629,296,614.60 and 397,039,501,812.59 is: 547,914,864,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,194,677,895.70 : 996,629,296,614.60 = 397,039,501,812.59 : x
  2. Step 2: Convert to fraction form
    722,194,677,895.70/996,629,296,614.60 = 397,039,501,812.59/x
  3. Step 3: Cross multiply
    722,194,677,895.70x = 996,629,296,614.60 × 397,039,501,812.59
  4. Step 4: Simplify right side
    722,194,677,895.70x = 395,701,199,419,692,795,559,936
  5. Step 5: Solve for x
    x = 395,701,199,419,692,795,559,936/722,194,677,895.70
  6. Step 6: Final answer
    x = 547,914,864,967.81

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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.