Finding the Fourth Proportional to 331,164,775.40, 496,747,163.10 and 328,897,293.80
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Solution
The fourth proportional to 331,164,775.40, 496,747,163.10 and 328,897,293.80 is: 493,345,940.70
Step by Step Solution
- Step 1: Write the proportion equation
331,164,775.40 : 496,747,163.10 = 328,897,293.80 : x - Step 2: Convert to fraction form
331,164,775.40/496,747,163.10 = 328,897,293.80/x - Step 3: Cross multiply
331,164,775.40x = 496,747,163.10 × 328,897,293.80 - Step 4: Simplify right side
331,164,775.40x = 163,378,797,646,417,248 - Step 5: Solve for x
x = 163,378,797,646,417,248/331,164,775.40 - Step 6: Final answer
x = 493,345,940.70
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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.