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Finding the Fourth Proportional to 664,275,637.35, 996,413,456.03 and 664,275,637.35

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Solution

The fourth proportional to 664,275,637.35, 996,413,456.03 and 664,275,637.35 is: 996,413,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,275,637.35 : 996,413,456.03 = 664,275,637.35 : x
  2. Step 2: Convert to fraction form
    664,275,637.35/996,413,456.03 = 664,275,637.35/x
  3. Step 3: Cross multiply
    664,275,637.35x = 996,413,456.03 × 664,275,637.35
  4. Step 4: Simplify right side
    664,275,637.35x = 661,893,183,565,123,072
  5. Step 5: Solve for x
    x = 661,893,183,565,123,072/664,275,637.35
  6. Step 6: Final answer
    x = 996,413,456.03

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Half scale
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Double scale
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Similar ratio
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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.