Finding the Fourth Proportional to 371,601,977.97, 512,843,404.94 and 204,367,712.21
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Solution
The fourth proportional to 371,601,977.97, 512,843,404.94 and 204,367,712.21 is: 282,045,413.10
Step by Step Solution
- Step 1: Write the proportion equation
371,601,977.97 : 512,843,404.94 = 204,367,712.21 : x - Step 2: Convert to fraction form
371,601,977.97/512,843,404.94 = 204,367,712.21/x - Step 3: Cross multiply
371,601,977.97x = 512,843,404.94 × 204,367,712.21 - Step 4: Simplify right side
371,601,977.97x = 104,808,633,385,988,368 - Step 5: Solve for x
x = 104,808,633,385,988,368/371,601,977.97 - Step 6: Final answer
x = 282,045,413.10
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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.