Finding the Fourth Proportional to 3,305,029,510.80, 4,957,544,266.20 and 851,366,413.80
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Solution
The fourth proportional to 3,305,029,510.80, 4,957,544,266.20 and 851,366,413.80 is: 1,277,049,620.70
Step by Step Solution
- Step 1: Write the proportion equation
3,305,029,510.80 : 4,957,544,266.20 = 851,366,413.80 : x - Step 2: Convert to fraction form
3,305,029,510.80/4,957,544,266.20 = 851,366,413.80/x - Step 3: Cross multiply
3,305,029,510.80x = 4,957,544,266.20 × 851,366,413.80 - Step 4: Simplify right side
3,305,029,510.80x = 4,220,686,683,169,446,400 - Step 5: Solve for x
x = 4,220,686,683,169,446,400/3,305,029,510.80 - Step 6: Final answer
x = 1,277,049,620.70
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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.