Finding the Fourth Proportional to 366,956,551.40, 506,400,124.40 and 201,944,120.92
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Solution
The fourth proportional to 366,956,551.40, 506,400,124.40 and 201,944,120.92 is: 278,682,932.80
Step by Step Solution
- Step 1: Write the proportion equation
366,956,551.40 : 506,400,124.40 = 201,944,120.92 : x - Step 2: Convert to fraction form
366,956,551.40/506,400,124.40 = 201,944,120.92/x - Step 3: Cross multiply
366,956,551.40x = 506,400,124.40 × 201,944,120.92 - Step 4: Simplify right side
366,956,551.40x = 102,264,527,955,736,624 - Step 5: Solve for x
x = 102,264,527,955,736,624/366,956,551.40 - Step 6: Final answer
x = 278,682,932.80
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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.