Finding the Fourth Proportional to 371,660,476.82, 557,371,373.37 and 122,609,755.55
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Solution
The fourth proportional to 371,660,476.82, 557,371,373.37 and 122,609,755.55 is: 183,875,262.78
Step by Step Solution
- Step 1: Write the proportion equation
371,660,476.82 : 557,371,373.37 = 122,609,755.55 : x - Step 2: Convert to fraction form
371,660,476.82/557,371,373.37 = 122,609,755.55/x - Step 3: Cross multiply
371,660,476.82x = 557,371,373.37 × 122,609,755.55 - Step 4: Simplify right side
371,660,476.82x = 68,339,167,840,397,120 - Step 5: Solve for x
x = 68,339,167,840,397,120/371,660,476.82 - Step 6: Final answer
x = 183,875,262.78
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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.