Finding the Fourth Proportional to 1,486,088,371.20, 2,227,219,369.20 and 1,139,323,118.70
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Solution
The fourth proportional to 1,486,088,371.20, 2,227,219,369.20 and 1,139,323,118.70 is: 1,707,517,915.44
Step by Step Solution
- Step 1: Write the proportion equation
1,486,088,371.20 : 2,227,219,369.20 = 1,139,323,118.70 : x - Step 2: Convert to fraction form
1,486,088,371.20/2,227,219,369.20 = 1,139,323,118.70/x - Step 3: Cross multiply
1,486,088,371.20x = 2,227,219,369.20 × 1,139,323,118.70 - Step 4: Simplify right side
1,486,088,371.20x = 2,537,522,517,745,990,656 - Step 5: Solve for x
x = 2,537,522,517,745,990,656/1,486,088,371.20 - Step 6: Final answer
x = 1,707,517,915.44
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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.