Finding the Fourth Proportional to 27,189,020,942.19, 37,519,158,307.56 and 14,981,042,889.02
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Solution
The fourth proportional to 27,189,020,942.19, 37,519,158,307.56 and 14,981,042,889.02 is: 20,672,907,676.99
Step by Step Solution
- Step 1: Write the proportion equation
27,189,020,942.19 : 37,519,158,307.56 = 14,981,042,889.02 : x - Step 2: Convert to fraction form
27,189,020,942.19/37,519,158,307.56 = 14,981,042,889.02/x - Step 3: Cross multiply
27,189,020,942.19x = 37,519,158,307.56 × 14,981,042,889.02 - Step 4: Simplify right side
27,189,020,942.19x = 562,076,119,765,412,544,512 - Step 5: Solve for x
x = 562,076,119,765,412,544,512/27,189,020,942.19 - Step 6: Final answer
x = 20,672,907,676.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.