Finding the Fourth Proportional to 388,134,370,677.25, 582,213,416,656.35 and 133,160,177,571.13
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Solution
The fourth proportional to 388,134,370,677.25, 582,213,416,656.35 and 133,160,177,571.13 is: 199,744,335,475.82
Step by Step Solution
- Step 1: Write the proportion equation
388,134,370,677.25 : 582,213,416,656.35 = 133,160,177,571.13 : x - Step 2: Convert to fraction form
388,134,370,677.25/582,213,416,656.35 = 133,160,177,571.13/x - Step 3: Cross multiply
388,134,370,677.25x = 582,213,416,656.35 × 133,160,177,571.13 - Step 4: Simplify right side
388,134,370,677.25x = 77,527,641,946,253,856,604,160 - Step 5: Solve for x
x = 77,527,641,946,253,856,604,160/388,134,370,677.25 - Step 6: Final answer
x = 199,744,335,475.82
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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.