Finding the Fourth Proportional to 1,625,422,925.79, 2,439,154,755.39 and 1,520,835,336.99
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Solution
The fourth proportional to 1,625,422,925.79, 2,439,154,755.39 and 1,520,835,336.99 is: 2,282,207,716.85
Step by Step Solution
- Step 1: Write the proportion equation
1,625,422,925.79 : 2,439,154,755.39 = 1,520,835,336.99 : x - Step 2: Convert to fraction form
1,625,422,925.79/2,439,154,755.39 = 1,520,835,336.99/x - Step 3: Cross multiply
1,625,422,925.79x = 2,439,154,755.39 × 1,520,835,336.99 - Step 4: Simplify right side
1,625,422,925.79x = 3,709,552,744,384,311,296 - Step 5: Solve for x
x = 3,709,552,744,384,311,296/1,625,422,925.79 - Step 6: Final answer
x = 2,282,207,716.85
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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.