Finding the Fourth Proportional to 80,207,656,264.80, 120,315,480,658.48 and 30,524,829,135.84
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Solution
The fourth proportional to 80,207,656,264.80, 120,315,480,658.48 and 30,524,829,135.84 is: 45,788,764,570.95
Step by Step Solution
- Step 1: Write the proportion equation
80,207,656,264.80 : 120,315,480,658.48 = 30,524,829,135.84 : x - Step 2: Convert to fraction form
80,207,656,264.80/120,315,480,658.48 = 30,524,829,135.84/x - Step 3: Cross multiply
80,207,656,264.80x = 120,315,480,658.48 × 30,524,829,135.84 - Step 4: Simplify right side
80,207,656,264.80x = 3,672,609,489,496,564,039,680 - Step 5: Solve for x
x = 3,672,609,489,496,564,039,680/80,207,656,264.80 - Step 6: Final answer
x = 45,788,764,570.95
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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.