Finding the Fourth Proportional to 9,791,490,413.51, 13,512,175,544.63 and 5,504,722,841.54
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Solution
The fourth proportional to 9,791,490,413.51, 13,512,175,544.63 and 5,504,722,841.54 is: 7,596,471,856.51
Step by Step Solution
- Step 1: Write the proportion equation
9,791,490,413.51 : 13,512,175,544.63 = 5,504,722,841.54 : x - Step 2: Convert to fraction form
9,791,490,413.51/13,512,175,544.63 = 5,504,722,841.54/x - Step 3: Cross multiply
9,791,490,413.51x = 13,512,175,544.63 × 5,504,722,841.54 - Step 4: Simplify right side
9,791,490,413.51x = 74,380,781,359,429,206,016 - Step 5: Solve for x
x = 74,380,781,359,429,206,016/9,791,490,413.51 - Step 6: Final answer
x = 7,596,471,856.51
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1.5x scale
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.