Finding the Fourth Proportional to 772,101,639.26, 1,158,306,576.74 and 403,802,397.44
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Solution
The fourth proportional to 772,101,639.26, 1,158,306,576.74 and 403,802,397.44 is: 605,784,198.45
Step by Step Solution
- Step 1: Write the proportion equation
772,101,639.26 : 1,158,306,576.74 = 403,802,397.44 : x - Step 2: Convert to fraction form
772,101,639.26/1,158,306,576.74 = 403,802,397.44/x - Step 3: Cross multiply
772,101,639.26x = 1,158,306,576.74 × 403,802,397.44 - Step 4: Simplify right side
772,101,639.26x = 467,726,972,658,131,328 - Step 5: Solve for x
x = 467,726,972,658,131,328/772,101,639.26 - Step 6: Final answer
x = 605,784,198.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.