Home / 620,504,763.32-856,347,764.42-356,237,754.46

Finding the Fourth Proportional to 620,504,763.32, 856,347,764.42 and 356,237,754.46

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Solution

The fourth proportional to 620,504,763.32, 856,347,764.42 and 356,237,754.46 is: 491,637,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,504,763.32 : 856,347,764.42 = 356,237,754.46 : x
  2. Step 2: Convert to fraction form
    620,504,763.32/856,347,764.42 = 356,237,754.46/x
  3. Step 3: Cross multiply
    620,504,763.32x = 856,347,764.42 × 356,237,754.46
  4. Step 4: Simplify right side
    620,504,763.32x = 305,063,404,632,571,584
  5. Step 5: Solve for x
    x = 305,063,404,632,571,584/620,504,763.32
  6. Step 6: Final answer
    x = 491,637,490.42

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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.