Home / 326,789,762.88-450,979,324.18-178,120,513.25

Finding the Fourth Proportional to 326,789,762.88, 450,979,324.18 and 178,120,513.25

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Solution

The fourth proportional to 326,789,762.88, 450,979,324.18 and 178,120,513.25 is: 245,811,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,789,762.88 : 450,979,324.18 = 178,120,513.25 : x
  2. Step 2: Convert to fraction form
    326,789,762.88/450,979,324.18 = 178,120,513.25/x
  3. Step 3: Cross multiply
    326,789,762.88x = 450,979,324.18 × 178,120,513.25
  4. Step 4: Simplify right side
    326,789,762.88x = 80,328,668,685,379,536
  5. Step 5: Solve for x
    x = 80,328,668,685,379,536/326,789,762.88
  6. Step 6: Final answer
    x = 245,811,459.87

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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.