Finding the Fourth Proportional to 28,603,790,087.10, 42,866,458,795.20 and 18,104,264,367.99
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Solution
The fourth proportional to 28,603,790,087.10, 42,866,458,795.20 and 18,104,264,367.99 is: 27,131,568,934.91
Step by Step Solution
- Step 1: Write the proportion equation
28,603,790,087.10 : 42,866,458,795.20 = 18,104,264,367.99 : x - Step 2: Convert to fraction form
28,603,790,087.10/42,866,458,795.20 = 18,104,264,367.99/x - Step 3: Cross multiply
28,603,790,087.10x = 42,866,458,795.20 × 18,104,264,367.99 - Step 4: Simplify right side
28,603,790,087.10x = 776,065,702,547,850,919,936 - Step 5: Solve for x
x = 776,065,702,547,850,919,936/28,603,790,087.10 - Step 6: Final answer
x = 27,131,568,934.91
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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.