Home / 351,872,452,826.20-485,826,922,879.86-329,391,733,251.16

Finding the Fourth Proportional to 351,872,452,826.20, 485,826,922,879.86 and 329,391,733,251.16

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Solution

The fourth proportional to 351,872,452,826.20, 485,826,922,879.86 and 329,391,733,251.16 is: 454,788,008,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,872,452,826.20 : 485,826,922,879.86 = 329,391,733,251.16 : x
  2. Step 2: Convert to fraction form
    351,872,452,826.20/485,826,922,879.86 = 329,391,733,251.16/x
  3. Step 3: Cross multiply
    351,872,452,826.20x = 485,826,922,879.86 × 329,391,733,251.16
  4. Step 4: Simplify right side
    351,872,452,826.20x = 160,027,372,187,474,718,621,696
  5. Step 5: Solve for x
    x = 160,027,372,187,474,718,621,696/351,872,452,826.20
  6. Step 6: Final answer
    x = 454,788,008,842.84

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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.