Finding the Fourth Proportional to 19,841,342,302.09, 27,381,004,438.69 and 10,809,174,629.31
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Solution
The fourth proportional to 19,841,342,302.09, 27,381,004,438.69 and 10,809,174,629.31 is: 14,916,634,872.66
Step by Step Solution
- Step 1: Write the proportion equation
19,841,342,302.09 : 27,381,004,438.69 = 10,809,174,629.31 : x - Step 2: Convert to fraction form
19,841,342,302.09/27,381,004,438.69 = 10,809,174,629.31/x - Step 3: Cross multiply
19,841,342,302.09x = 27,381,004,438.69 × 10,809,174,629.31 - Step 4: Simplify right side
19,841,342,302.09x = 295,966,058,503,724,007,424 - Step 5: Solve for x
x = 295,966,058,503,724,007,424/19,841,342,302.09 - Step 6: Final answer
x = 14,916,634,872.66
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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.