Finding the Fourth Proportional to 2,448,543,418.40, 3,378,962,413.68 and 1,334,685,072.80
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Solution
The fourth proportional to 2,448,543,418.40, 3,378,962,413.68 and 1,334,685,072.80 is: 1,841,850,408.37
Step by Step Solution
- Step 1: Write the proportion equation
2,448,543,418.40 : 3,378,962,413.68 = 1,334,685,072.80 : x - Step 2: Convert to fraction form
2,448,543,418.40/3,378,962,413.68 = 1,334,685,072.80/x - Step 3: Cross multiply
2,448,543,418.40x = 3,378,962,413.68 × 1,334,685,072.80 - Step 4: Simplify right side
2,448,543,418.40x = 4,509,850,695,090,954,240 - Step 5: Solve for x
x = 4,509,850,695,090,954,240/2,448,543,418.40 - Step 6: Final answer
x = 1,841,850,408.37
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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.