Finding the Fourth Proportional to 5,654,019,435.60, 8,481,029,153.40 and 2,207,447,403.60
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Solution
The fourth proportional to 5,654,019,435.60, 8,481,029,153.40 and 2,207,447,403.60 is: 3,311,171,105.40
Step by Step Solution
- Step 1: Write the proportion equation
5,654,019,435.60 : 8,481,029,153.40 = 2,207,447,403.60 : x - Step 2: Convert to fraction form
5,654,019,435.60/8,481,029,153.40 = 2,207,447,403.60/x - Step 3: Cross multiply
5,654,019,435.60x = 8,481,029,153.40 × 2,207,447,403.60 - Step 4: Simplify right side
5,654,019,435.60x = 18,721,425,784,528,736,256 - Step 5: Solve for x
x = 18,721,425,784,528,736,256/5,654,019,435.60 - Step 6: Final answer
x = 3,311,171,105.40
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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.