Home / 722,194,677,895.68-996,629,296,614.60-397,039,501,812.60

Finding the Fourth Proportional to 722,194,677,895.68, 996,629,296,614.60 and 397,039,501,812.60

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Solution

The fourth proportional to 722,194,677,895.68, 996,629,296,614.60 and 397,039,501,812.60 is: 547,914,864,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,194,677,895.68 : 996,629,296,614.60 = 397,039,501,812.60 : x
  2. Step 2: Convert to fraction form
    722,194,677,895.68/996,629,296,614.60 = 397,039,501,812.60/x
  3. Step 3: Cross multiply
    722,194,677,895.68x = 996,629,296,614.60 × 397,039,501,812.60
  4. Step 4: Simplify right side
    722,194,677,895.68x = 395,701,199,419,702,727,671,808
  5. Step 5: Solve for x
    x = 395,701,199,419,702,727,671,808/722,194,677,895.68
  6. Step 6: Final answer
    x = 547,914,864,967.84

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Double scale
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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.