Home / 394,388,288.61-544,271,863.51-218,173,245.85

Finding the Fourth Proportional to 394,388,288.61, 544,271,863.51 and 218,173,245.85

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Solution

The fourth proportional to 394,388,288.61, 544,271,863.51 and 218,173,245.85 is: 301,087,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,388,288.61 : 544,271,863.51 = 218,173,245.85 : x
  2. Step 2: Convert to fraction form
    394,388,288.61/544,271,863.51 = 218,173,245.85/x
  3. Step 3: Cross multiply
    394,388,288.61x = 544,271,863.51 × 218,173,245.85
  4. Step 4: Simplify right side
    394,388,288.61x = 118,745,559,086,804,864
  5. Step 5: Solve for x
    x = 118,745,559,086,804,864/394,388,288.61
  6. Step 6: Final answer
    x = 301,087,944.33

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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.