Home / 899,777,080.62-1,241,192,679.21-523,391,270.22

Finding the Fourth Proportional to 899,777,080.62, 1,241,192,679.21 and 523,391,270.22

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Solution

The fourth proportional to 899,777,080.62, 1,241,192,679.21 and 523,391,270.22 is: 721,989,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,777,080.62 : 1,241,192,679.21 = 523,391,270.22 : x
  2. Step 2: Convert to fraction form
    899,777,080.62/1,241,192,679.21 = 523,391,270.22/x
  3. Step 3: Cross multiply
    899,777,080.62x = 1,241,192,679.21 × 523,391,270.22
  4. Step 4: Simplify right side
    899,777,080.62x = 649,629,412,959,486,976
  5. Step 5: Solve for x
    x = 649,629,412,959,486,976/899,777,080.62
  6. Step 6: Final answer
    x = 721,989,287.07

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Double scale
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1.5x scale

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.