Finding the Fourth Proportional to 38,439,339,903.78, 57,637,990,527.06 and 30,522,364,376.99
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Solution
The fourth proportional to 38,439,339,903.78, 57,637,990,527.06 and 30,522,364,376.99 is: 45,766,856,382.75
Step by Step Solution
- Step 1: Write the proportion equation
38,439,339,903.78 : 57,637,990,527.06 = 30,522,364,376.99 : x - Step 2: Convert to fraction form
38,439,339,903.78/57,637,990,527.06 = 30,522,364,376.99/x - Step 3: Cross multiply
38,439,339,903.78x = 57,637,990,527.06 × 30,522,364,376.99 - Step 4: Simplify right side
38,439,339,903.78x = 1,759,247,748,824,135,106,560 - Step 5: Solve for x
x = 1,759,247,748,824,135,106,560/38,439,339,903.78 - Step 6: Final answer
x = 45,766,856,382.75
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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.