Finding the Fourth Proportional to 331,276,803.40, 496,915,205.10 and 88,964,201.80
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Solution
The fourth proportional to 331,276,803.40, 496,915,205.10 and 88,964,201.80 is: 133,446,302.70
Step by Step Solution
- Step 1: Write the proportion equation
331,276,803.40 : 496,915,205.10 = 88,964,201.80 : x - Step 2: Convert to fraction form
331,276,803.40/496,915,205.10 = 88,964,201.80/x - Step 3: Cross multiply
331,276,803.40x = 496,915,205.10 × 88,964,201.80 - Step 4: Simplify right side
331,276,803.40x = 44,207,664,584,004,792 - Step 5: Solve for x
x = 44,207,664,584,004,792/331,276,803.40 - Step 6: Final answer
x = 133,446,302.70
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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.