Finding the Fourth Proportional to 5,974,839,490.08, 8,962,136,163.07 and 1,991,212,901.57
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Solution
The fourth proportional to 5,974,839,490.08, 8,962,136,163.07 and 1,991,212,901.57 is: 2,986,778,336.58
Step by Step Solution
- Step 1: Write the proportion equation
5,974,839,490.08 : 8,962,136,163.07 = 1,991,212,901.57 : x - Step 2: Convert to fraction form
5,974,839,490.08/8,962,136,163.07 = 1,991,212,901.57/x - Step 3: Cross multiply
5,974,839,490.08x = 8,962,136,163.07 × 1,991,212,901.57 - Step 4: Simplify right side
5,974,839,490.08x = 17,845,521,153,532,039,168 - Step 5: Solve for x
x = 17,845,521,153,532,039,168/5,974,839,490.08 - Step 6: Final answer
x = 2,986,778,336.58
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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.