Home / 368,424,276,920.43-552,647,673,861.15-126,397,992,122.45

Finding the Fourth Proportional to 368,424,276,920.43, 552,647,673,861.15 and 126,397,992,122.45

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Solution

The fourth proportional to 368,424,276,920.43, 552,647,673,861.15 and 126,397,992,122.45 is: 189,600,850,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,424,276,920.43 : 552,647,673,861.15 = 126,397,992,122.45 : x
  2. Step 2: Convert to fraction form
    368,424,276,920.43/552,647,673,861.15 = 126,397,992,122.45/x
  3. Step 3: Cross multiply
    368,424,276,920.43x = 552,647,673,861.15 × 126,397,992,122.45
  4. Step 4: Simplify right side
    368,424,276,920.43x = 69,853,556,327,191,951,704,064
  5. Step 5: Solve for x
    x = 69,853,556,327,191,951,704,064/368,424,276,920.43
  6. Step 6: Final answer
    x = 189,600,850,712.34

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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.