Finding the Fourth Proportional to 555,093,109.19, 766,029,389.70 and 304,157,629.96
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Solution
The fourth proportional to 555,093,109.19, 766,029,389.70 and 304,157,629.96 is: 419,738,021.95
Step by Step Solution
- Step 1: Write the proportion equation
555,093,109.19 : 766,029,389.70 = 304,157,629.96 : x - Step 2: Convert to fraction form
555,093,109.19/766,029,389.70 = 304,157,629.96/x - Step 3: Cross multiply
555,093,109.19x = 766,029,389.70 × 304,157,629.96 - Step 4: Simplify right side
555,093,109.19x = 232,993,683,650,857,248 - Step 5: Solve for x
x = 232,993,683,650,857,248/555,093,109.19 - Step 6: Final answer
x = 419,738,021.95
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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.