Finding the Fourth Proportional to 2,490,474,287.84, 3,735,718,523.66 and 719,989,136.91
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Solution
The fourth proportional to 2,490,474,287.84, 3,735,718,523.66 and 719,989,136.91 is: 1,079,985,755.62
Step by Step Solution
- Step 1: Write the proportion equation
2,490,474,287.84 : 3,735,718,523.66 = 719,989,136.91 : x - Step 2: Convert to fraction form
2,490,474,287.84/3,735,718,523.66 = 719,989,136.91/x - Step 3: Cross multiply
2,490,474,287.84x = 3,735,718,523.66 × 719,989,136.91 - Step 4: Simplify right side
2,490,474,287.84x = 2,689,676,755,604,471,808 - Step 5: Solve for x
x = 2,689,676,755,604,471,808/2,490,474,287.84 - Step 6: Final answer
x = 1,079,985,755.62
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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.