Finding the Fourth Proportional to 4,550,331,413.12, 6,825,497,119.68 and 1,278,780,617.12
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Solution
The fourth proportional to 4,550,331,413.12, 6,825,497,119.68 and 1,278,780,617.12 is: 1,918,170,925.67
Step by Step Solution
- Step 1: Write the proportion equation
4,550,331,413.12 : 6,825,497,119.68 = 1,278,780,617.12 : x - Step 2: Convert to fraction form
4,550,331,413.12/6,825,497,119.68 = 1,278,780,617.12/x - Step 3: Cross multiply
4,550,331,413.12x = 6,825,497,119.68 × 1,278,780,617.12 - Step 4: Simplify right side
4,550,331,413.12x = 8,728,313,418,821,046,272 - Step 5: Solve for x
x = 8,728,313,418,821,046,272/4,550,331,413.12 - Step 6: Final answer
x = 1,918,170,925.67
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1.5x scale
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.