Finding the Fourth Proportional to 1,391,008,093.30, 2,086,512,139.95 and 982,861,405.30
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Solution
The fourth proportional to 1,391,008,093.30, 2,086,512,139.95 and 982,861,405.30 is: 1,474,292,107.95
Step by Step Solution
- Step 1: Write the proportion equation
1,391,008,093.30 : 2,086,512,139.95 = 982,861,405.30 : x - Step 2: Convert to fraction form
1,391,008,093.30/2,086,512,139.95 = 982,861,405.30/x - Step 3: Cross multiply
1,391,008,093.30x = 2,086,512,139.95 × 982,861,405.30 - Step 4: Simplify right side
1,391,008,093.30x = 2,050,752,254,046,767,104 - Step 5: Solve for x
x = 2,050,752,254,046,767,104/1,391,008,093.30 - Step 6: Final answer
x = 1,474,292,107.95
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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.