Finding the Fourth Proportional to 486,883,128,658.68, 671,619,564,321.57 and 303,662,136,116.61
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Solution
The fourth proportional to 486,883,128,658.68, 671,619,564,321.57 and 303,662,136,116.61 is: 418,879,643,912.59
Step by Step Solution
- Step 1: Write the proportion equation
486,883,128,658.68 : 671,619,564,321.57 = 303,662,136,116.61 : x - Step 2: Convert to fraction form
486,883,128,658.68/671,619,564,321.57 = 303,662,136,116.61/x - Step 3: Cross multiply
486,883,128,658.68x = 671,619,564,321.57 × 303,662,136,116.61 - Step 4: Simplify right side
486,883,128,658.68x = 203,945,431,559,594,859,036,672 - Step 5: Solve for x
x = 203,945,431,559,594,859,036,672/486,883,128,658.68 - Step 6: Final answer
x = 418,879,643,912.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.