Finding the Fourth Proportional to 746,472,312.62, 1,120,208,344.77 and 309,773,416.63
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Solution
The fourth proportional to 746,472,312.62, 1,120,208,344.77 and 309,773,416.63 is: 464,867,564.99
Step by Step Solution
- Step 1: Write the proportion equation
746,472,312.62 : 1,120,208,344.77 = 309,773,416.63 : x - Step 2: Convert to fraction form
746,472,312.62/1,120,208,344.77 = 309,773,416.63/x - Step 3: Cross multiply
746,472,312.62x = 1,120,208,344.77 × 309,773,416.63 - Step 4: Simplify right side
746,472,312.62x = 347,010,766,296,839,872 - Step 5: Solve for x
x = 347,010,766,296,839,872/746,472,312.62 - Step 6: Final answer
x = 464,867,564.99
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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.