Finding the Fourth Proportional to 86,488,517,413.44, 129,685,482,622.08 and 68,675,322,484.80
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Solution
The fourth proportional to 86,488,517,413.44, 129,685,482,622.08 and 68,675,322,484.80 is: 102,975,430,808.86
Step by Step Solution
- Step 1: Write the proportion equation
86,488,517,413.44 : 129,685,482,622.08 = 68,675,322,484.80 : x - Step 2: Convert to fraction form
86,488,517,413.44/129,685,482,622.08 = 68,675,322,484.80/x - Step 3: Cross multiply
86,488,517,413.44x = 129,685,482,622.08 × 68,675,322,484.80 - Step 4: Simplify right side
86,488,517,413.44x = 8,906,192,340,668,271,034,368 - Step 5: Solve for x
x = 8,906,192,340,668,271,034,368/86,488,517,413.44 - Step 6: Final answer
x = 102,975,430,808.86
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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.