Home / 1,253,778,844.72-1,880,662,318.44-321,099,860.56

Finding the Fourth Proportional to 1,253,778,844.72, 1,880,662,318.44 and 321,099,860.56

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Solution

The fourth proportional to 1,253,778,844.72, 1,880,662,318.44 and 321,099,860.56 is: 481,648,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,778,844.72 : 1,880,662,318.44 = 321,099,860.56 : x
  2. Step 2: Convert to fraction form
    1,253,778,844.72/1,880,662,318.44 = 321,099,860.56/x
  3. Step 3: Cross multiply
    1,253,778,844.72x = 1,880,662,318.44 × 321,099,860.56
  4. Step 4: Simplify right side
    1,253,778,844.72x = 603,880,408,211,530,368
  5. Step 5: Solve for x
    x = 603,880,408,211,530,368/1,253,778,844.72
  6. Step 6: Final answer
    x = 481,648,267.36

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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.