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Finding the Fourth Proportional to 1,107,813,741.80, 1,661,720,612.70 and 534,504,813.80

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Solution

The fourth proportional to 1,107,813,741.80, 1,661,720,612.70 and 534,504,813.80 is: 801,757,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,813,741.80 : 1,661,720,612.70 = 534,504,813.80 : x
  2. Step 2: Convert to fraction form
    1,107,813,741.80/1,661,720,612.70 = 534,504,813.80/x
  3. Step 3: Cross multiply
    1,107,813,741.80x = 1,661,720,612.70 × 534,504,813.80
  4. Step 4: Simplify right side
    1,107,813,741.80x = 888,197,666,678,835,456
  5. Step 5: Solve for x
    x = 888,197,666,678,835,456/1,107,813,741.80
  6. Step 6: Final answer
    x = 801,757,220.70

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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.