Home / 661,719,120.20-992,616,005.10-201,672,297.80

Finding the Fourth Proportional to 661,719,120.20, 992,616,005.10 and 201,672,297.80

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Solution

The fourth proportional to 661,719,120.20, 992,616,005.10 and 201,672,297.80 is: 302,519,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,719,120.20 : 992,616,005.10 = 201,672,297.80 : x
  2. Step 2: Convert to fraction form
    661,719,120.20/992,616,005.10 = 201,672,297.80/x
  3. Step 3: Cross multiply
    661,719,120.20x = 992,616,005.10 × 201,672,297.80
  4. Step 4: Simplify right side
    661,719,120.20x = 200,183,150,581,573,536
  5. Step 5: Solve for x
    x = 200,183,150,581,573,536/661,719,120.20
  6. Step 6: Final answer
    x = 302,519,822.19

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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.