Finding the Fourth Proportional to 8,381,858,438.30, 12,570,643,114.41 and 2,485,038,790.94
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Solution
The fourth proportional to 8,381,858,438.30, 12,570,643,114.41 and 2,485,038,790.94 is: 3,726,922,376.02
Step by Step Solution
- Step 1: Write the proportion equation
8,381,858,438.30 : 12,570,643,114.41 = 2,485,038,790.94 : x - Step 2: Convert to fraction form
8,381,858,438.30/12,570,643,114.41 = 2,485,038,790.94/x - Step 3: Cross multiply
8,381,858,438.30x = 12,570,643,114.41 × 2,485,038,790.94 - Step 4: Simplify right side
8,381,858,438.30x = 31,238,535,766,371,663,872 - Step 5: Solve for x
x = 31,238,535,766,371,663,872/8,381,858,438.30 - Step 6: Final answer
x = 3,726,922,376.02
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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.