Finding the Fourth Proportional to 3,765,232,738.80, 5,647,849,108.20 and 1,145,016,032.40
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Solution
The fourth proportional to 3,765,232,738.80, 5,647,849,108.20 and 1,145,016,032.40 is: 1,717,524,048.60
Step by Step Solution
- Step 1: Write the proportion equation
3,765,232,738.80 : 5,647,849,108.20 = 1,145,016,032.40 : x - Step 2: Convert to fraction form
3,765,232,738.80/5,647,849,108.20 = 1,145,016,032.40/x - Step 3: Cross multiply
3,765,232,738.80x = 5,647,849,108.20 × 1,145,016,032.40 - Step 4: Simplify right side
3,765,232,738.80x = 6,466,877,777,465,042,944 - Step 5: Solve for x
x = 6,466,877,777,465,042,944/3,765,232,738.80 - Step 6: Final answer
x = 1,717,524,048.60
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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.