Finding the Fourth Proportional to 541,285,183.80, 811,927,775.70 and 541,285,183.80
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Solution
The fourth proportional to 541,285,183.80, 811,927,775.70 and 541,285,183.80 is: 811,927,775.70
Step by Step Solution
- Step 1: Write the proportion equation
541,285,183.80 : 811,927,775.70 = 541,285,183.80 : x - Step 2: Convert to fraction form
541,285,183.80/811,927,775.70 = 541,285,183.80/x - Step 3: Cross multiply
541,285,183.80x = 811,927,775.70 × 541,285,183.80 - Step 4: Simplify right side
541,285,183.80x = 439,484,475,302,099,648 - Step 5: Solve for x
x = 439,484,475,302,099,648/541,285,183.80 - Step 6: Final answer
x = 811,927,775.70
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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.