Finding the Fourth Proportional to 388,134,370,676.75, 582,213,416,655.60 and 133,160,177,570.63
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Solution
The fourth proportional to 388,134,370,676.75, 582,213,416,655.60 and 133,160,177,570.63 is: 199,744,335,475.07
Step by Step Solution
- Step 1: Write the proportion equation
388,134,370,676.75 : 582,213,416,655.60 = 133,160,177,570.63 : x - Step 2: Convert to fraction form
388,134,370,676.75/582,213,416,655.60 = 133,160,177,570.63/x - Step 3: Cross multiply
388,134,370,676.75x = 582,213,416,655.60 × 133,160,177,570.63 - Step 4: Simplify right side
388,134,370,676.75x = 77,527,641,945,862,880,362,496 - Step 5: Solve for x
x = 77,527,641,945,862,880,362,496/388,134,370,676.75 - Step 6: Final answer
x = 199,744,335,475.07
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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.