Finding the Fourth Proportional to 2,566,318,889.92, 3,541,522,689.12 and 1,392,897,403.84
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Solution
The fourth proportional to 2,566,318,889.92, 3,541,522,689.12 and 1,392,897,403.84 is: 1,922,199,839.89
Step by Step Solution
- Step 1: Write the proportion equation
2,566,318,889.92 : 3,541,522,689.12 = 1,392,897,403.84 : x - Step 2: Convert to fraction form
2,566,318,889.92/3,541,522,689.12 = 1,392,897,403.84/x - Step 3: Cross multiply
2,566,318,889.92x = 3,541,522,689.12 × 1,392,897,403.84 - Step 4: Simplify right side
2,566,318,889.92x = 4,932,977,759,315,702,784 - Step 5: Solve for x
x = 4,932,977,759,315,702,784/2,566,318,889.92 - Step 6: Final answer
x = 1,922,199,839.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.