Finding the Fourth Proportional to 585,378,413.36, 877,716,860.83 and 186,364,538.94
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Solution
The fourth proportional to 585,378,413.36, 877,716,860.83 and 186,364,538.94 is: 279,435,138.64
Step by Step Solution
- Step 1: Write the proportion equation
585,378,413.36 : 877,716,860.83 = 186,364,538.94 : x - Step 2: Convert to fraction form
585,378,413.36/877,716,860.83 = 186,364,538.94/x - Step 3: Cross multiply
585,378,413.36x = 877,716,860.83 × 186,364,538.94 - Step 4: Simplify right side
585,378,413.36x = 163,575,298,091,272,608 - Step 5: Solve for x
x = 163,575,298,091,272,608/585,378,413.36 - Step 6: Final answer
x = 279,435,138.64
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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.