Finding the Fourth Proportional to 377,641,431.23, 517,370,606.27 and 363,487,532.94
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Solution
The fourth proportional to 377,641,431.23, 517,370,606.27 and 363,487,532.94 is: 497,979,696.45
Step by Step Solution
- Step 1: Write the proportion equation
377,641,431.23 : 517,370,606.27 = 363,487,532.94 : x - Step 2: Convert to fraction form
377,641,431.23/517,370,606.27 = 363,487,532.94/x - Step 3: Cross multiply
377,641,431.23x = 517,370,606.27 × 363,487,532.94 - Step 4: Simplify right side
377,641,431.23x = 188,057,765,286,936,960 - Step 5: Solve for x
x = 188,057,765,286,936,960/377,641,431.23 - Step 6: Final answer
x = 497,979,696.45
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.