Finding the Fourth Proportional to 1,651,940,609.20, 2,477,993,251.62 and 471,696,138.40
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Solution
The fourth proportional to 1,651,940,609.20, 2,477,993,251.62 and 471,696,138.40 is: 707,567,718.39
Step by Step Solution
- Step 1: Write the proportion equation
1,651,940,609.20 : 2,477,993,251.62 = 471,696,138.40 : x - Step 2: Convert to fraction form
1,651,940,609.20/2,477,993,251.62 = 471,696,138.40/x - Step 3: Cross multiply
1,651,940,609.20x = 2,477,993,251.62 × 471,696,138.40 - Step 4: Simplify right side
1,651,940,609.20x = 1,168,859,847,770,413,312 - Step 5: Solve for x
x = 1,168,859,847,770,413,312/1,651,940,609.20 - Step 6: Final answer
x = 707,567,718.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.