Finding the Fourth Proportional to 4,791,782,351, 7,187,819,954.16 and 1,643,952,806.48
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Solution
The fourth proportional to 4,791,782,351, 7,187,819,954.16 and 1,643,952,806.48 is: 2,465,979,445.76
Step by Step Solution
- Step 1: Write the proportion equation
4,791,782,351 : 7,187,819,954.16 = 1,643,952,806.48 : x - Step 2: Convert to fraction form
4,791,782,351/7,187,819,954.16 = 1,643,952,806.48/x - Step 3: Cross multiply
4,791,782,351x = 7,187,819,954.16 × 1,643,952,806.48 - Step 4: Simplify right side
4,791,782,351x = 11,816,436,786,114,277,376 - Step 5: Solve for x
x = 11,816,436,786,114,277,376/4,791,782,351 - Step 6: Final answer
x = 2,465,979,445.76
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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.