Finding the Fourth Proportional to 668,694,218.48, 922,809,135.42 and 367,307,397.63
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Solution
The fourth proportional to 668,694,218.48, 922,809,135.42 and 367,307,397.63 is: 506,890,313.50
Step by Step Solution
- Step 1: Write the proportion equation
668,694,218.48 : 922,809,135.42 = 367,307,397.63 : x - Step 2: Convert to fraction form
668,694,218.48/922,809,135.42 = 367,307,397.63/x - Step 3: Cross multiply
668,694,218.48x = 922,809,135.42 × 367,307,397.63 - Step 4: Simplify right side
668,694,218.48x = 338,954,622,040,310,464 - Step 5: Solve for x
x = 338,954,622,040,310,464/668,694,218.48 - Step 6: Final answer
x = 506,890,313.50
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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.