Finding the Fourth Proportional to 364,621,709.44, 503,177,983.68 and 199,609,278.94
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Solution
The fourth proportional to 364,621,709.44, 503,177,983.68 and 199,609,278.94 is: 275,460,818.43
Step by Step Solution
- Step 1: Write the proportion equation
364,621,709.44 : 503,177,983.68 = 199,609,278.94 : x - Step 2: Convert to fraction form
364,621,709.44/503,177,983.68 = 199,609,278.94/x - Step 3: Cross multiply
364,621,709.44x = 503,177,983.68 × 199,609,278.94 - Step 4: Simplify right side
364,621,709.44x = 100,438,994,500,847,888 - Step 5: Solve for x
x = 100,438,994,500,847,888/364,621,709.44 - Step 6: Final answer
x = 275,460,818.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.