Home / 722,194,677,899.20-996,629,296,619.42-397,039,501,816.10

Finding the Fourth Proportional to 722,194,677,899.20, 996,629,296,619.42 and 397,039,501,816.10

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Solution

The fourth proportional to 722,194,677,899.20, 996,629,296,619.42 and 397,039,501,816.10 is: 547,914,864,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,194,677,899.20 : 996,629,296,619.42 = 397,039,501,816.10 : x
  2. Step 2: Convert to fraction form
    722,194,677,899.20/996,629,296,619.42 = 397,039,501,816.10/x
  3. Step 3: Cross multiply
    722,194,677,899.20x = 996,629,296,619.42 × 397,039,501,816.10
  4. Step 4: Simplify right side
    722,194,677,899.20x = 395,701,199,425,104,655,679,488
  5. Step 5: Solve for x
    x = 395,701,199,425,104,655,679,488/722,194,677,899.20
  6. Step 6: Final answer
    x = 547,914,864,972.65

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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.