Finding the Fourth Proportional to 355,040,201.80, 532,560,302.70 and 316,493,014.60
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Solution
The fourth proportional to 355,040,201.80, 532,560,302.70 and 316,493,014.60 is: 474,739,521.90
Step by Step Solution
- Step 1: Write the proportion equation
355,040,201.80 : 532,560,302.70 = 316,493,014.60 : x - Step 2: Convert to fraction form
355,040,201.80/532,560,302.70 = 316,493,014.60/x - Step 3: Cross multiply
355,040,201.80x = 532,560,302.70 × 316,493,014.60 - Step 4: Simplify right side
355,040,201.80x = 168,551,615,657,811,520 - Step 5: Solve for x
x = 168,551,615,657,811,520/355,040,201.80 - Step 6: Final answer
x = 474,739,521.90
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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.