Finding the Fourth Proportional to 419,095,043.49, 574,162,814.16 and 403,386,237.21
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Solution
The fourth proportional to 419,095,043.49, 574,162,814.16 and 403,386,237.21 is: 552,641,651.92
Step by Step Solution
- Step 1: Write the proportion equation
419,095,043.49 : 574,162,814.16 = 403,386,237.21 : x - Step 2: Convert to fraction form
419,095,043.49/574,162,814.16 = 403,386,237.21/x - Step 3: Cross multiply
419,095,043.49x = 574,162,814.16 × 403,386,237.21 - Step 4: Simplify right side
419,095,043.49x = 231,609,377,147,889,952 - Step 5: Solve for x
x = 231,609,377,147,889,952/419,095,043.49 - Step 6: Final answer
x = 552,641,651.92
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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.