Finding the Fourth Proportional to 540,461,062.05, 745,837,364.66 and 292,942,583.97
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Solution
The fourth proportional to 540,461,062.05, 745,837,364.66 and 292,942,583.97 is: 404,261,361.58
Step by Step Solution
- Step 1: Write the proportion equation
540,461,062.05 : 745,837,364.66 = 292,942,583.97 : x - Step 2: Convert to fraction form
540,461,062.05/745,837,364.66 = 292,942,583.97/x - Step 3: Cross multiply
540,461,062.05x = 745,837,364.66 × 292,942,583.97 - Step 4: Simplify right side
540,461,062.05x = 218,487,524,824,875,584 - Step 5: Solve for x
x = 218,487,524,824,875,584/540,461,062.05 - Step 6: Final answer
x = 404,261,361.58
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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.