Finding the Fourth Proportional to 527,942,614.08, 791,913,922.35 and 281,552,780.19
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Solution
The fourth proportional to 527,942,614.08, 791,913,922.35 and 281,552,780.19 is: 422,329,170.94
Step by Step Solution
- Step 1: Write the proportion equation
527,942,614.08 : 791,913,922.35 = 281,552,780.19 : x - Step 2: Convert to fraction form
527,942,614.08/791,913,922.35 = 281,552,780.19/x - Step 3: Cross multiply
527,942,614.08x = 791,913,922.35 × 281,552,780.19 - Step 4: Simplify right side
527,942,614.08x = 222,965,566,508,810,272 - Step 5: Solve for x
x = 222,965,566,508,810,272/527,942,614.08 - Step 6: Final answer
x = 422,329,170.94
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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.