Finding the Fourth Proportional to 1,623,568,935.80, 2,436,274,675.26 and 876,574,760.38
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Solution
The fourth proportional to 1,623,568,935.80, 2,436,274,675.26 and 876,574,760.38 is: 1,315,359,540.70
Step by Step Solution
- Step 1: Write the proportion equation
1,623,568,935.80 : 2,436,274,675.26 = 876,574,760.38 : x - Step 2: Convert to fraction form
1,623,568,935.80/2,436,274,675.26 = 876,574,760.38/x - Step 3: Cross multiply
1,623,568,935.80x = 2,436,274,675.26 × 876,574,760.38 - Step 4: Simplify right side
1,623,568,935.80x = 2,135,576,889,688,903,424 - Step 5: Solve for x
x = 2,135,576,889,688,903,424/1,623,568,935.80 - Step 6: Final answer
x = 1,315,359,540.70
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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.