Finding the Fourth Proportional to 5,218,513,693.73, 7,830,177,938.49 and 2,383,177,146.53
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Solution
The fourth proportional to 5,218,513,693.73, 7,830,177,938.49 and 2,383,177,146.53 is: 3,575,865,123.95
Step by Step Solution
- Step 1: Write the proportion equation
5,218,513,693.73 : 7,830,177,938.49 = 2,383,177,146.53 : x - Step 2: Convert to fraction form
5,218,513,693.73/7,830,177,938.49 = 2,383,177,146.53/x - Step 3: Cross multiply
5,218,513,693.73x = 7,830,177,938.49 × 2,383,177,146.53 - Step 4: Simplify right side
5,218,513,693.73x = 18,660,701,116,259,549,184 - Step 5: Solve for x
x = 18,660,701,116,259,549,184/5,218,513,693.73 - Step 6: Final answer
x = 3,575,865,123.95
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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.