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Finding the Fourth Proportional to 137,905,830,028.30, 206,858,745,042.45 and 137,905,830,028.30

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Solution

The fourth proportional to 137,905,830,028.30, 206,858,745,042.45 and 137,905,830,028.30 is: 206,858,745,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,905,830,028.30 : 206,858,745,042.45 = 137,905,830,028.30 : x
  2. Step 2: Convert to fraction form
    137,905,830,028.30/206,858,745,042.45 = 137,905,830,028.30/x
  3. Step 3: Cross multiply
    137,905,830,028.30x = 206,858,745,042.45 × 137,905,830,028.30
  4. Step 4: Simplify right side
    137,905,830,028.30x = 28,527,026,933,691,555,250,176
  5. Step 5: Solve for x
    x = 28,527,026,933,691,555,250,176/137,905,830,028.30
  6. Step 6: Final answer
    x = 206,858,745,042.45

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Double scale
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1.5x scale

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.