Finding the Fourth Proportional to 358,013,678.96, 494,032,168.62 and 201,350,518.74
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Solution
The fourth proportional to 358,013,678.96, 494,032,168.62 and 201,350,518.74 is: 277,848,694.82
Step by Step Solution
- Step 1: Write the proportion equation
358,013,678.96 : 494,032,168.62 = 201,350,518.74 : x - Step 2: Convert to fraction form
358,013,678.96/494,032,168.62 = 201,350,518.74/x - Step 3: Cross multiply
358,013,678.96x = 494,032,168.62 × 201,350,518.74 - Step 4: Simplify right side
358,013,678.96x = 99,473,633,425,884,160 - Step 5: Solve for x
x = 99,473,633,425,884,160/358,013,678.96 - Step 6: Final answer
x = 277,848,694.82
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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.