Home / 722,194,677,895.20-996,629,296,613.90-397,039,501,812.09

Finding the Fourth Proportional to 722,194,677,895.20, 996,629,296,613.90 and 397,039,501,812.09

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Solution

The fourth proportional to 722,194,677,895.20, 996,629,296,613.90 and 397,039,501,812.09 is: 547,914,864,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,194,677,895.20 : 996,629,296,613.90 = 397,039,501,812.09 : x
  2. Step 2: Convert to fraction form
    722,194,677,895.20/996,629,296,613.90 = 397,039,501,812.09/x
  3. Step 3: Cross multiply
    722,194,677,895.20x = 996,629,296,613.90 × 397,039,501,812.09
  4. Step 4: Simplify right side
    722,194,677,895.20x = 395,701,199,418,916,547,330,048
  5. Step 5: Solve for x
    x = 395,701,199,418,916,547,330,048/722,194,677,895.20
  6. Step 6: Final answer
    x = 547,914,864,967.11

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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.