Finding the Fourth Proportional to 1,453,682,705.40, 2,180,524,058.10 and 873,207,415.80
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Solution
The fourth proportional to 1,453,682,705.40, 2,180,524,058.10 and 873,207,415.80 is: 1,309,811,123.70
Step by Step Solution
- Step 1: Write the proportion equation
1,453,682,705.40 : 2,180,524,058.10 = 873,207,415.80 : x - Step 2: Convert to fraction form
1,453,682,705.40/2,180,524,058.10 = 873,207,415.80/x - Step 3: Cross multiply
1,453,682,705.40x = 2,180,524,058.10 × 873,207,415.80 - Step 4: Simplify right side
1,453,682,705.40x = 1,904,049,777,863,229,952 - Step 5: Solve for x
x = 1,904,049,777,863,229,952/1,453,682,705.40 - Step 6: Final answer
x = 1,309,811,123.70
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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.