Finding the Fourth Proportional to 366,956,546.40, 506,400,117.50 and 201,944,115.90
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Solution
The fourth proportional to 366,956,546.40, 506,400,117.50 and 201,944,115.90 is: 278,682,925.88
Step by Step Solution
- Step 1: Write the proportion equation
366,956,546.40 : 506,400,117.50 = 201,944,115.90 : x - Step 2: Convert to fraction form
366,956,546.40/506,400,117.50 = 201,944,115.90/x - Step 3: Cross multiply
366,956,546.40x = 506,400,117.50 × 201,944,115.90 - Step 4: Simplify right side
366,956,546.40x = 102,264,524,020,698,480 - Step 5: Solve for x
x = 102,264,524,020,698,480/366,956,546.40 - Step 6: Final answer
x = 278,682,925.88
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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.