Finding the Fourth Proportional to 1,909,849,887.29, 2,865,202,099.49 and 581,981,850.99
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Solution
The fourth proportional to 1,909,849,887.29, 2,865,202,099.49 and 581,981,850.99 is: 873,102,976.53
Step by Step Solution
- Step 1: Write the proportion equation
1,909,849,887.29 : 2,865,202,099.49 = 581,981,850.99 : x - Step 2: Convert to fraction form
1,909,849,887.29/2,865,202,099.49 = 581,981,850.99/x - Step 3: Cross multiply
1,909,849,887.29x = 2,865,202,099.49 × 581,981,850.99 - Step 4: Simplify right side
1,909,849,887.29x = 1,667,495,621,323,079,168 - Step 5: Solve for x
x = 1,667,495,621,323,079,168/1,909,849,887.29 - Step 6: Final answer
x = 873,102,976.53
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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.