Finding the Fourth Proportional to 8,535,267,135.63, 12,793,561,119.54 and 4,394,959,108.11
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Solution
The fourth proportional to 8,535,267,135.63, 12,793,561,119.54 and 4,394,959,108.11 is: 6,587,629,546.21
Step by Step Solution
- Step 1: Write the proportion equation
8,535,267,135.63 : 12,793,561,119.54 = 4,394,959,108.11 : x - Step 2: Convert to fraction form
8,535,267,135.63/12,793,561,119.54 = 4,394,959,108.11/x - Step 3: Cross multiply
8,535,267,135.63x = 12,793,561,119.54 × 4,394,959,108.11 - Step 4: Simplify right side
8,535,267,135.63x = 56,227,177,967,484,289,024 - Step 5: Solve for x
x = 56,227,177,967,484,289,024/8,535,267,135.63 - Step 6: Final answer
x = 6,587,629,546.21
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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.