Finding the Fourth Proportional to 8,975,504,906.70, 13,463,257,360.05 and 5,256,268,212.30
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Solution
The fourth proportional to 8,975,504,906.70, 13,463,257,360.05 and 5,256,268,212.30 is: 7,884,402,318.45
Step by Step Solution
- Step 1: Write the proportion equation
8,975,504,906.70 : 13,463,257,360.05 = 5,256,268,212.30 : x - Step 2: Convert to fraction form
8,975,504,906.70/13,463,257,360.05 = 5,256,268,212.30/x - Step 3: Cross multiply
8,975,504,906.70x = 13,463,257,360.05 × 5,256,268,212.30 - Step 4: Simplify right side
8,975,504,906.70x = 70,766,491,695,644,827,648 - Step 5: Solve for x
x = 70,766,491,695,644,827,648/8,975,504,906.70 - Step 6: Final answer
x = 7,884,402,318.45
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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.