Finding the Fourth Proportional to 2,716,568,921.79, 3,749,012,710.34 and 1,511,037,526.95
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Solution
The fourth proportional to 2,716,568,921.79, 3,749,012,710.34 and 1,511,037,526.95 is: 2,085,313,885.80
Step by Step Solution
- Step 1: Write the proportion equation
2,716,568,921.79 : 3,749,012,710.34 = 1,511,037,526.95 : x - Step 2: Convert to fraction form
2,716,568,921.79/3,749,012,710.34 = 1,511,037,526.95/x - Step 3: Cross multiply
2,716,568,921.79x = 3,749,012,710.34 × 1,511,037,526.95 - Step 4: Simplify right side
2,716,568,921.79x = 5,664,898,894,328,715,264 - Step 5: Solve for x
x = 5,664,898,894,328,715,264/2,716,568,921.79 - Step 6: Final answer
x = 2,085,313,885.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.