Home / 823,601,845.56-1,235,401,725.05-210,186,085.08

Finding the Fourth Proportional to 823,601,845.56, 1,235,401,725.05 and 210,186,085.08

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Solution

The fourth proportional to 823,601,845.56, 1,235,401,725.05 and 210,186,085.08 is: 315,278,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,601,845.56 : 1,235,401,725.05 = 210,186,085.08 : x
  2. Step 2: Convert to fraction form
    823,601,845.56/1,235,401,725.05 = 210,186,085.08/x
  3. Step 3: Cross multiply
    823,601,845.56x = 1,235,401,725.05 × 210,186,085.08
  4. Step 4: Simplify right side
    823,601,845.56x = 259,664,252,089,338,080
  5. Step 5: Solve for x
    x = 259,664,252,089,338,080/823,601,845.56
  6. Step 6: Final answer
    x = 315,278,861.37

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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.