Home / 382,610,983,684.99-528,003,137,292.25-206,627,432,686.61

Finding the Fourth Proportional to 382,610,983,684.99, 528,003,137,292.25 and 206,627,432,686.61

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Solution

The fourth proportional to 382,610,983,684.99, 528,003,137,292.25 and 206,627,432,686.61 is: 285,145,846,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,610,983,684.99 : 528,003,137,292.25 = 206,627,432,686.61 : x
  2. Step 2: Convert to fraction form
    382,610,983,684.99/528,003,137,292.25 = 206,627,432,686.61/x
  3. Step 3: Cross multiply
    382,610,983,684.99x = 528,003,137,292.25 × 206,627,432,686.61
  4. Step 4: Simplify right side
    382,610,983,684.99x = 109,099,932,709,173,281,685,504
  5. Step 5: Solve for x
    x = 109,099,932,709,173,281,685,504/382,610,983,684.99
  6. Step 6: Final answer
    x = 285,145,846,202.36

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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.