Home / 389,351,029.01-584,087,370.85-126,974,556.34

Finding the Fourth Proportional to 389,351,029.01, 584,087,370.85 and 126,974,556.34

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Solution

The fourth proportional to 389,351,029.01, 584,087,370.85 and 126,974,556.34 is: 190,481,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,351,029.01 : 584,087,370.85 = 126,974,556.34 : x
  2. Step 2: Convert to fraction form
    389,351,029.01/584,087,370.85 = 126,974,556.34/x
  3. Step 3: Cross multiply
    389,351,029.01x = 584,087,370.85 × 126,974,556.34
  4. Step 4: Simplify right side
    389,351,029.01x = 74,164,234,775,561,760
  5. Step 5: Solve for x
    x = 74,164,234,775,561,760/389,351,029.01
  6. Step 6: Final answer
    x = 190,481,671.42

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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.