Finding the Fourth Proportional to 358,013,645.13, 494,032,122.05 and 201,350,484.89
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Solution
The fourth proportional to 358,013,645.13, 494,032,122.05 and 201,350,484.89 is: 277,848,648.17
Step by Step Solution
- Step 1: Write the proportion equation
358,013,645.13 : 494,032,122.05 = 201,350,484.89 : x - Step 2: Convert to fraction form
358,013,645.13/494,032,122.05 = 201,350,484.89/x - Step 3: Cross multiply
358,013,645.13x = 494,032,122.05 × 201,350,484.89 - Step 4: Simplify right side
358,013,645.13x = 99,473,607,326,003,152 - Step 5: Solve for x
x = 99,473,607,326,003,152/358,013,645.13 - Step 6: Final answer
x = 277,848,648.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.