Finding the Fourth Proportional to 2,425,756,153.53, 3,347,543,465.96 and 1,311,922,247.66
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Solution
The fourth proportional to 2,425,756,153.53, 3,347,543,465.96 and 1,311,922,247.66 is: 1,810,452,687.75
Step by Step Solution
- Step 1: Write the proportion equation
2,425,756,153.53 : 3,347,543,465.96 = 1,311,922,247.66 : x - Step 2: Convert to fraction form
2,425,756,153.53/3,347,543,465.96 = 1,311,922,247.66/x - Step 3: Cross multiply
2,425,756,153.53x = 3,347,543,465.96 × 1,311,922,247.66 - Step 4: Simplify right side
2,425,756,153.53x = 4,391,716,747,998,690,816 - Step 5: Solve for x
x = 4,391,716,747,998,690,816/2,425,756,153.53 - Step 6: Final answer
x = 1,810,452,687.75
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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.