Finding the Fourth Proportional to 2,490,474,348.70, 3,735,718,614.70 and 719,989,197.58
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Solution
The fourth proportional to 2,490,474,348.70, 3,735,718,614.70 and 719,989,197.58 is: 1,079,985,846.55
Step by Step Solution
- Step 1: Write the proportion equation
2,490,474,348.70 : 3,735,718,614.70 = 719,989,197.58 : x - Step 2: Convert to fraction form
2,490,474,348.70/3,735,718,614.70 = 719,989,197.58/x - Step 3: Cross multiply
2,490,474,348.70x = 3,735,718,614.70 × 719,989,197.58 - Step 4: Simplify right side
2,490,474,348.70x = 2,689,677,047,785,391,616 - Step 5: Solve for x
x = 2,689,677,047,785,391,616/2,490,474,348.70 - Step 6: Final answer
x = 1,079,985,846.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.