Finding the Fourth Proportional to 512,489,381.14, 769,960,450.20 and 328,617,104.63
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Solution
The fourth proportional to 512,489,381.14, 769,960,450.20 and 328,617,104.63 is: 493,712,032.17
Step by Step Solution
- Step 1: Write the proportion equation
512,489,381.14 : 769,960,450.20 = 328,617,104.63 : x - Step 2: Convert to fraction form
512,489,381.14/769,960,450.20 = 328,617,104.63/x - Step 3: Cross multiply
512,489,381.14x = 769,960,450.20 × 328,617,104.63 - Step 4: Simplify right side
512,489,381.14x = 253,022,173,826,260,224 - Step 5: Solve for x
x = 253,022,173,826,260,224/512,489,381.14 - Step 6: Final answer
x = 493,712,032.17
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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.