Home / 891,682,542.34-1,336,993,951.16-339,025,425.23

Finding the Fourth Proportional to 891,682,542.34, 1,336,993,951.16 and 339,025,425.23

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Solution

The fourth proportional to 891,682,542.34, 1,336,993,951.16 and 339,025,425.23 is: 508,336,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,682,542.34 : 1,336,993,951.16 = 339,025,425.23 : x
  2. Step 2: Convert to fraction form
    891,682,542.34/1,336,993,951.16 = 339,025,425.23/x
  3. Step 3: Cross multiply
    891,682,542.34x = 1,336,993,951.16 × 339,025,425.23
  4. Step 4: Simplify right side
    891,682,542.34x = 453,274,942,826,146,880
  5. Step 5: Solve for x
    x = 453,274,942,826,146,880/891,682,542.34
  6. Step 6: Final answer
    x = 508,336,679.60

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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.