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Finding the Fourth Proportional to 746,644,514.80, 1,043,365,218.26 and 746,644,514.80

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Solution

The fourth proportional to 746,644,514.80, 1,043,365,218.26 and 746,644,514.80 is: 1,043,365,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,644,514.80 : 1,043,365,218.26 = 746,644,514.80 : x
  2. Step 2: Convert to fraction form
    746,644,514.80/1,043,365,218.26 = 746,644,514.80/x
  3. Step 3: Cross multiply
    746,644,514.80x = 1,043,365,218.26 × 746,644,514.80
  4. Step 4: Simplify right side
    746,644,514.80x = 779,022,917,146,933,760
  5. Step 5: Solve for x
    x = 779,022,917,146,933,760/746,644,514.80
  6. Step 6: Final answer
    x = 1,043,365,218.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.