Finding the Fourth Proportional to 3,328,381,696.40, 4,992,572,544.60 and 1,608,454,912.40
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Solution
The fourth proportional to 3,328,381,696.40, 4,992,572,544.60 and 1,608,454,912.40 is: 2,412,682,368.60
Step by Step Solution
- Step 1: Write the proportion equation
3,328,381,696.40 : 4,992,572,544.60 = 1,608,454,912.40 : x - Step 2: Convert to fraction form
3,328,381,696.40/4,992,572,544.60 = 1,608,454,912.40/x - Step 3: Cross multiply
3,328,381,696.40x = 4,992,572,544.60 × 1,608,454,912.40 - Step 4: Simplify right side
3,328,381,696.40x = 8,030,327,834,875,239,424 - Step 5: Solve for x
x = 8,030,327,834,875,239,424/3,328,381,696.40 - Step 6: Final answer
x = 2,412,682,368.60
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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.