Finding the Fourth Proportional to 19,788,331,408.80, 29,682,497,113.20 and 19,788,331,408.80
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Solution
The fourth proportional to 19,788,331,408.80, 29,682,497,113.20 and 19,788,331,408.80 is: 29,682,497,113.20
Step by Step Solution
- Step 1: Write the proportion equation
19,788,331,408.80 : 29,682,497,113.20 = 19,788,331,408.80 : x - Step 2: Convert to fraction form
19,788,331,408.80/29,682,497,113.20 = 19,788,331,408.80/x - Step 3: Cross multiply
19,788,331,408.80x = 29,682,497,113.20 × 19,788,331,408.80 - Step 4: Simplify right side
19,788,331,408.80x = 587,367,089,916,750,856,192 - Step 5: Solve for x
x = 587,367,089,916,750,856,192/19,788,331,408.80 - Step 6: Final answer
x = 29,682,497,113.20
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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.