Home / 264,673,516.40-396,443,404.20-213,655,180.40

Finding the Fourth Proportional to 264,673,516.40, 396,443,404.20 and 213,655,180.40

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Solution

The fourth proportional to 264,673,516.40, 396,443,404.20 and 213,655,180.40 is: 320,025,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,673,516.40 : 396,443,404.20 = 213,655,180.40 : x
  2. Step 2: Convert to fraction form
    264,673,516.40/396,443,404.20 = 213,655,180.40/x
  3. Step 3: Cross multiply
    264,673,516.40x = 396,443,404.20 × 213,655,180.40
  4. Step 4: Simplify right side
    264,673,516.40x = 84,702,187,042,741,120
  5. Step 5: Solve for x
    x = 84,702,187,042,741,120/264,673,516.40
  6. Step 6: Final answer
    x = 320,025,169.86

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1.5x scale

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.