Finding the Fourth Proportional to 358,717,251.12, 494,927,391.96 and 202,029,555.12
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Solution
The fourth proportional to 358,717,251.12, 494,927,391.96 and 202,029,555.12 is: 278,743,106.17
Step by Step Solution
- Step 1: Write the proportion equation
358,717,251.12 : 494,927,391.96 = 202,029,555.12 : x - Step 2: Convert to fraction form
358,717,251.12/494,927,391.96 = 202,029,555.12/x - Step 3: Cross multiply
358,717,251.12x = 494,927,391.96 × 202,029,555.12 - Step 4: Simplify right side
358,717,251.12x = 99,989,960,814,380,656 - Step 5: Solve for x
x = 99,989,960,814,380,656/358,717,251.12 - Step 6: Final answer
x = 278,743,106.17
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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.