Home / 443,466,668.24-665,394,457.44-210,465,662.48

Finding the Fourth Proportional to 443,466,668.24, 665,394,457.44 and 210,465,662.48

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Solution

The fourth proportional to 443,466,668.24, 665,394,457.44 and 210,465,662.48 is: 315,790,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,466,668.24 : 665,394,457.44 = 210,465,662.48 : x
  2. Step 2: Convert to fraction form
    443,466,668.24/665,394,457.44 = 210,465,662.48/x
  3. Step 3: Cross multiply
    443,466,668.24x = 665,394,457.44 × 210,465,662.48
  4. Step 4: Simplify right side
    443,466,668.24x = 140,042,685,295,629,776
  5. Step 5: Solve for x
    x = 140,042,685,295,629,776/443,466,668.24
  6. Step 6: Final answer
    x = 315,790,780.51

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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.