Home / 383,207,745.04-528,826,919.84-206,995,818.25

Finding the Fourth Proportional to 383,207,745.04, 528,826,919.84 and 206,995,818.25

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Solution

The fourth proportional to 383,207,745.04, 528,826,919.84 and 206,995,818.25 is: 285,654,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,207,745.04 : 528,826,919.84 = 206,995,818.25 : x
  2. Step 2: Convert to fraction form
    383,207,745.04/528,826,919.84 = 206,995,818.25/x
  3. Step 3: Cross multiply
    383,207,745.04x = 528,826,919.84 × 206,995,818.25
  4. Step 4: Simplify right side
    383,207,745.04x = 109,464,960,985,347,792
  5. Step 5: Solve for x
    x = 109,464,960,985,347,792/383,207,745.04
  6. Step 6: Final answer
    x = 285,654,354.33

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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.