Home / 263,895,890.40-395,843,835.60-223,081,221.60

Finding the Fourth Proportional to 263,895,890.40, 395,843,835.60 and 223,081,221.60

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Solution

The fourth proportional to 263,895,890.40, 395,843,835.60 and 223,081,221.60 is: 334,621,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,895,890.40 : 395,843,835.60 = 223,081,221.60 : x
  2. Step 2: Convert to fraction form
    263,895,890.40/395,843,835.60 = 223,081,221.60/x
  3. Step 3: Cross multiply
    263,895,890.40x = 395,843,835.60 × 223,081,221.60
  4. Step 4: Simplify right side
    263,895,890.40x = 88,305,326,408,477,568
  5. Step 5: Solve for x
    x = 88,305,326,408,477,568/263,895,890.40
  6. Step 6: Final answer
    x = 334,621,832.40

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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.