Home / 348,958,266.78-481,556,160.60-190,189,819.74

Finding the Fourth Proportional to 348,958,266.78, 481,556,160.60 and 190,189,819.74

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Solution

The fourth proportional to 348,958,266.78, 481,556,160.60 and 190,189,819.74 is: 262,458,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,958,266.78 : 481,556,160.60 = 190,189,819.74 : x
  2. Step 2: Convert to fraction form
    348,958,266.78/481,556,160.60 = 190,189,819.74/x
  3. Step 3: Cross multiply
    348,958,266.78x = 481,556,160.60 × 190,189,819.74
  4. Step 4: Simplify right side
    348,958,266.78x = 91,587,079,379,200,496
  5. Step 5: Solve for x
    x = 91,587,079,379,200,496/348,958,266.78
  6. Step 6: Final answer
    x = 262,458,546.19

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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.