Home / 211,749,040,974.40-317,623,561,461.60-188,607,123,764.80

Finding the Fourth Proportional to 211,749,040,974.40, 317,623,561,461.60 and 188,607,123,764.80

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Solution

The fourth proportional to 211,749,040,974.40, 317,623,561,461.60 and 188,607,123,764.80 is: 282,910,685,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,749,040,974.40 : 317,623,561,461.60 = 188,607,123,764.80 : x
  2. Step 2: Convert to fraction form
    211,749,040,974.40/317,623,561,461.60 = 188,607,123,764.80/x
  3. Step 3: Cross multiply
    211,749,040,974.40x = 317,623,561,461.60 × 188,607,123,764.80
  4. Step 4: Simplify right side
    211,749,040,974.40x = 59,906,066,367,204,546,314,240
  5. Step 5: Solve for x
    x = 59,906,066,367,204,546,314,240/211,749,040,974.40
  6. Step 6: Final answer
    x = 282,910,685,647.20

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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.