Finding the Fourth Proportional to 11,859,564,085.99, 16,366,229,518.37 and 6,434,099,413.05
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Solution
The fourth proportional to 11,859,564,085.99, 16,366,229,518.37 and 6,434,099,413.05 is: 8,879,074,051.49
Step by Step Solution
- Step 1: Write the proportion equation
11,859,564,085.99 : 16,366,229,518.37 = 6,434,099,413.05 : x - Step 2: Convert to fraction form
11,859,564,085.99/16,366,229,518.37 = 6,434,099,413.05/x - Step 3: Cross multiply
11,859,564,085.99x = 16,366,229,518.37 × 6,434,099,413.05 - Step 4: Simplify right side
11,859,564,085.99x = 105,301,947,737,940,738,048 - Step 5: Solve for x
x = 105,301,947,737,940,738,048/11,859,564,085.99 - Step 6: Final answer
x = 8,879,074,051.49
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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.