Finding the Fourth Proportional to 358,077,790.56, 494,119,085.52 and 201,413,707.68
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Solution
The fourth proportional to 358,077,790.56, 494,119,085.52 and 201,413,707.68 is: 277,935,017.68
Step by Step Solution
- Step 1: Write the proportion equation
358,077,790.56 : 494,119,085.52 = 201,413,707.68 : x - Step 2: Convert to fraction form
358,077,790.56/494,119,085.52 = 201,413,707.68/x - Step 3: Cross multiply
358,077,790.56x = 494,119,085.52 × 201,413,707.68 - Step 4: Simplify right side
358,077,790.56x = 99,522,357,050,034,208 - Step 5: Solve for x
x = 99,522,357,050,034,208/358,077,790.56 - Step 6: Final answer
x = 277,935,017.68
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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.