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Finding the Fourth Proportional to 206,876,706,692.20, 310,315,060,038.32 and 206,876,706,692.20

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Solution

The fourth proportional to 206,876,706,692.20, 310,315,060,038.32 and 206,876,706,692.20 is: 310,315,060,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,876,706,692.20 : 310,315,060,038.32 = 206,876,706,692.20 : x
  2. Step 2: Convert to fraction form
    206,876,706,692.20/310,315,060,038.32 = 206,876,706,692.20/x
  3. Step 3: Cross multiply
    206,876,706,692.20x = 310,315,060,038.32 × 206,876,706,692.20
  4. Step 4: Simplify right side
    206,876,706,692.20x = 64,196,957,657,719,965,220,864
  5. Step 5: Solve for x
    x = 64,196,957,657,719,965,220,864/206,876,706,692.20
  6. Step 6: Final answer
    x = 310,315,060,038.32

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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.