Home / 1,408,612,942.78-2,113,328,355.53-567,821,778.45

Finding the Fourth Proportional to 1,408,612,942.78, 2,113,328,355.53 and 567,821,778.45

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Solution

The fourth proportional to 1,408,612,942.78, 2,113,328,355.53 and 567,821,778.45 is: 851,897,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,612,942.78 : 2,113,328,355.53 = 567,821,778.45 : x
  2. Step 2: Convert to fraction form
    1,408,612,942.78/2,113,328,355.53 = 567,821,778.45/x
  3. Step 3: Cross multiply
    1,408,612,942.78x = 2,113,328,355.53 × 567,821,778.45
  4. Step 4: Simplify right side
    1,408,612,942.78x = 1,199,993,865,285,858,560
  5. Step 5: Solve for x
    x = 1,199,993,865,285,858,560/1,408,612,942.78
  6. Step 6: Final answer
    x = 851,897,514.81

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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.