Home / 486,883,128,739.43-671,619,564,433.10-303,662,136,197.27

Finding the Fourth Proportional to 486,883,128,739.43, 671,619,564,433.10 and 303,662,136,197.27

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Solution

The fourth proportional to 486,883,128,739.43, 671,619,564,433.10 and 303,662,136,197.27 is: 418,879,644,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,883,128,739.43 : 671,619,564,433.10 = 303,662,136,197.27 : x
  2. Step 2: Convert to fraction form
    486,883,128,739.43/671,619,564,433.10 = 303,662,136,197.27/x
  3. Step 3: Cross multiply
    486,883,128,739.43x = 671,619,564,433.10 × 303,662,136,197.27
  4. Step 4: Simplify right side
    486,883,128,739.43x = 203,945,431,647,635,179,044,864
  5. Step 5: Solve for x
    x = 203,945,431,647,635,179,044,864/486,883,128,739.43
  6. Step 6: Final answer
    x = 418,879,644,023.94

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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.