Finding the Fourth Proportional to 3,476,651,569.20, 5,214,977,353.80 and 2,660,358,193.20
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Solution
The fourth proportional to 3,476,651,569.20, 5,214,977,353.80 and 2,660,358,193.20 is: 3,990,537,289.80
Step by Step Solution
- Step 1: Write the proportion equation
3,476,651,569.20 : 5,214,977,353.80 = 2,660,358,193.20 : x - Step 2: Convert to fraction form
3,476,651,569.20/5,214,977,353.80 = 2,660,358,193.20/x - Step 3: Cross multiply
3,476,651,569.20x = 5,214,977,353.80 × 2,660,358,193.20 - Step 4: Simplify right side
3,476,651,569.20x = 13,873,707,730,534,285,312 - Step 5: Solve for x
x = 13,873,707,730,534,285,312/3,476,651,569.20 - Step 6: Final answer
x = 3,990,537,289.80
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1.5x scale
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.