Home / 245,659,393,313.70-368,489,089,970.55-205,987,535,240.10

Finding the Fourth Proportional to 245,659,393,313.70, 368,489,089,970.55 and 205,987,535,240.10

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Solution

The fourth proportional to 245,659,393,313.70, 368,489,089,970.55 and 205,987,535,240.10 is: 308,981,302,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,659,393,313.70 : 368,489,089,970.55 = 205,987,535,240.10 : x
  2. Step 2: Convert to fraction form
    245,659,393,313.70/368,489,089,970.55 = 205,987,535,240.10/x
  3. Step 3: Cross multiply
    245,659,393,313.70x = 368,489,089,970.55 × 205,987,535,240.10
  4. Step 4: Simplify right side
    245,659,393,313.70x = 75,904,159,405,901,046,874,112
  5. Step 5: Solve for x
    x = 75,904,159,405,901,046,874,112/245,659,393,313.70
  6. Step 6: Final answer
    x = 308,981,302,860.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.