Finding the Fourth Proportional to 1,411,364,442.27, 2,117,287,851.47 and 581,864,638.05
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Solution
The fourth proportional to 1,411,364,442.27, 2,117,287,851.47 and 581,864,638.05 is: 872,896,391.92
Step by Step Solution
- Step 1: Write the proportion equation
1,411,364,442.27 : 2,117,287,851.47 = 581,864,638.05 : x - Step 2: Convert to fraction form
1,411,364,442.27/2,117,287,851.47 = 581,864,638.05/x - Step 3: Cross multiply
1,411,364,442.27x = 2,117,287,851.47 × 581,864,638.05 - Step 4: Simplify right side
1,411,364,442.27x = 1,231,974,929,343,253,504 - Step 5: Solve for x
x = 1,231,974,929,343,253,504/1,411,364,442.27 - Step 6: Final answer
x = 872,896,391.92
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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.