Home / 628,531,261,654.48-867,373,489,036.20-339,499,519,556.56

Finding the Fourth Proportional to 628,531,261,654.48, 867,373,489,036.20 and 339,499,519,556.56

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Solution

The fourth proportional to 628,531,261,654.48, 867,373,489,036.20 and 339,499,519,556.56 is: 468,509,524,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,531,261,654.48 : 867,373,489,036.20 = 339,499,519,556.56 : x
  2. Step 2: Convert to fraction form
    628,531,261,654.48/867,373,489,036.20 = 339,499,519,556.56/x
  3. Step 3: Cross multiply
    628,531,261,654.48x = 867,373,489,036.20 × 339,499,519,556.56
  4. Step 4: Simplify right side
    628,531,261,654.48x = 294,472,882,803,887,048,753,152
  5. Step 5: Solve for x
    x = 294,472,882,803,887,048,753,152/628,531,261,654.48
  6. Step 6: Final answer
    x = 468,509,524,933.97

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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.