Finding the Fourth Proportional to 25,626,226,601.52, 38,425,327,016.54 and 20,348,242,916.99
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Solution
The fourth proportional to 25,626,226,601.52, 38,425,327,016.54 and 20,348,242,916.99 is: 30,511,237,586.99
Step by Step Solution
- Step 1: Write the proportion equation
25,626,226,601.52 : 38,425,327,016.54 = 20,348,242,916.99 : x - Step 2: Convert to fraction form
25,626,226,601.52/38,425,327,016.54 = 20,348,242,916.99/x - Step 3: Cross multiply
25,626,226,601.52x = 38,425,327,016.54 × 20,348,242,916.99 - Step 4: Simplify right side
25,626,226,601.52x = 781,887,888,297,040,805,888 - Step 5: Solve for x
x = 781,887,888,297,040,805,888/25,626,226,601.52 - Step 6: Final answer
x = 30,511,237,586.99
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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.