Finding the Fourth Proportional to 475,073,467.21, 655,368,413.27 and 412,261,405.66
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Solution
The fourth proportional to 475,073,467.21, 655,368,413.27 and 412,261,405.66 is: 568,718,570.76
Step by Step Solution
- Step 1: Write the proportion equation
475,073,467.21 : 655,368,413.27 = 412,261,405.66 : x - Step 2: Convert to fraction form
475,073,467.21/655,368,413.27 = 412,261,405.66/x - Step 3: Cross multiply
475,073,467.21x = 655,368,413.27 × 412,261,405.66 - Step 4: Simplify right side
475,073,467.21x = 270,183,103,279,854,016 - Step 5: Solve for x
x = 270,183,103,279,854,016/475,073,467.21 - Step 6: Final answer
x = 568,718,570.76
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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.