Home / 395,701,668,450.45-590,887,841,489.72-323,156,729,856.78

Finding the Fourth Proportional to 395,701,668,450.45, 590,887,841,489.72 and 323,156,729,856.78

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Solution

The fourth proportional to 395,701,668,450.45, 590,887,841,489.72 and 323,156,729,856.78 is: 482,558,952,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,701,668,450.45 : 590,887,841,489.72 = 323,156,729,856.78 : x
  2. Step 2: Convert to fraction form
    395,701,668,450.45/590,887,841,489.72 = 323,156,729,856.78/x
  3. Step 3: Cross multiply
    395,701,668,450.45x = 590,887,841,489.72 × 323,156,729,856.78
  4. Step 4: Simplify right side
    395,701,668,450.45x = 190,949,382,567,949,284,409,344
  5. Step 5: Solve for x
    x = 190,949,382,567,949,284,409,344/395,701,668,450.45
  6. Step 6: Final answer
    x = 482,558,952,343.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.