Finding the Fourth Proportional to 486,883,128,725.36, 671,619,564,413.10 and 303,662,136,183.02
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Solution
The fourth proportional to 486,883,128,725.36, 671,619,564,413.10 and 303,662,136,183.02 is: 418,879,644,003.92
Step by Step Solution
- Step 1: Write the proportion equation
486,883,128,725.36 : 671,619,564,413.10 = 303,662,136,183.02 : x - Step 2: Convert to fraction form
486,883,128,725.36/671,619,564,413.10 = 303,662,136,183.02/x - Step 3: Cross multiply
486,883,128,725.36x = 671,619,564,413.10 × 303,662,136,183.02 - Step 4: Simplify right side
486,883,128,725.36x = 203,945,431,631,991,364,648,960 - Step 5: Solve for x
x = 203,945,431,631,991,364,648,960/486,883,128,725.36 - Step 6: Final answer
x = 418,879,644,003.92
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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.