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Finding the Fourth Proportional to 728,876,010.90, 1,093,314,016.35 and 728,876,010.90

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Solution

The fourth proportional to 728,876,010.90, 1,093,314,016.35 and 728,876,010.90 is: 1,093,314,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,876,010.90 : 1,093,314,016.35 = 728,876,010.90 : x
  2. Step 2: Convert to fraction form
    728,876,010.90/1,093,314,016.35 = 728,876,010.90/x
  3. Step 3: Cross multiply
    728,876,010.90x = 1,093,314,016.35 × 728,876,010.90
  4. Step 4: Simplify right side
    728,876,010.90x = 796,890,358,898,245,248
  5. Step 5: Solve for x
    x = 796,890,358,898,245,248/728,876,010.90
  6. Step 6: Final answer
    x = 1,093,314,016.35

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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.