Home / 3,191,208,156.78-4,783,003,880.58-1,485,267,625.86

Finding the Fourth Proportional to 3,191,208,156.78, 4,783,003,880.58 and 1,485,267,625.86

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Solution

The fourth proportional to 3,191,208,156.78, 4,783,003,880.58 and 1,485,267,625.86 is: 2,226,128,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,208,156.78 : 4,783,003,880.58 = 1,485,267,625.86 : x
  2. Step 2: Convert to fraction form
    3,191,208,156.78/4,783,003,880.58 = 1,485,267,625.86/x
  3. Step 3: Cross multiply
    3,191,208,156.78x = 4,783,003,880.58 × 1,485,267,625.86
  4. Step 4: Simplify right side
    3,191,208,156.78x = 7,104,040,818,188,222,464
  5. Step 5: Solve for x
    x = 7,104,040,818,188,222,464/3,191,208,156.78
  6. Step 6: Final answer
    x = 2,226,128,935.87

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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.