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Finding the Fourth Proportional to 206,876,706,801.11, 310,315,060,201.64 and 206,876,706,801.11

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Solution

The fourth proportional to 206,876,706,801.11, 310,315,060,201.64 and 206,876,706,801.11 is: 310,315,060,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,876,706,801.11 : 310,315,060,201.64 = 206,876,706,801.11 : x
  2. Step 2: Convert to fraction form
    206,876,706,801.11/310,315,060,201.64 = 206,876,706,801.11/x
  3. Step 3: Cross multiply
    206,876,706,801.11x = 310,315,060,201.64 × 206,876,706,801.11
  4. Step 4: Simplify right side
    206,876,706,801.11x = 64,196,957,725,303,473,438,720
  5. Step 5: Solve for x
    x = 64,196,957,725,303,473,438,720/206,876,706,801.11
  6. Step 6: Final answer
    x = 310,315,060,201.64

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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.