Home / 3,965,219,625.45-5,472,404,441.31-2,271,898,879.47

Finding the Fourth Proportional to 3,965,219,625.45, 5,472,404,441.31 and 2,271,898,879.47

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Solution

The fourth proportional to 3,965,219,625.45, 5,472,404,441.31 and 2,271,898,879.47 is: 3,135,450,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965,219,625.45 : 5,472,404,441.31 = 2,271,898,879.47 : x
  2. Step 2: Convert to fraction form
    3,965,219,625.45/5,472,404,441.31 = 2,271,898,879.47/x
  3. Step 3: Cross multiply
    3,965,219,625.45x = 5,472,404,441.31 × 2,271,898,879.47
  4. Step 4: Simplify right side
    3,965,219,625.45x = 12,432,749,518,218,840,064
  5. Step 5: Solve for x
    x = 12,432,749,518,218,840,064/3,965,219,625.45
  6. Step 6: Final answer
    x = 3,135,450,414.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.