Finding the Fourth Proportional to 397,201,716.41, 548,090,749.98 and 220,945,175.33
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Solution
The fourth proportional to 397,201,716.41, 548,090,749.98 and 220,945,175.33 is: 304,877,853.86
Step by Step Solution
- Step 1: Write the proportion equation
397,201,716.41 : 548,090,749.98 = 220,945,175.33 : x - Step 2: Convert to fraction form
397,201,716.41/548,090,749.98 = 220,945,175.33/x - Step 3: Cross multiply
397,201,716.41x = 548,090,749.98 × 220,945,175.33 - Step 4: Simplify right side
397,201,716.41x = 121,098,006,848,341,840 - Step 5: Solve for x
x = 121,098,006,848,341,840/397,201,716.41 - Step 6: Final answer
x = 304,877,853.86
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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.