Finding the Fourth Proportional to 358,574,887.26, 494,828,314.46 and 199,811,701.80
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Solution
The fourth proportional to 358,574,887.26, 494,828,314.46 and 199,811,701.80 is: 275,737,345.60
Step by Step Solution
- Step 1: Write the proportion equation
358,574,887.26 : 494,828,314.46 = 199,811,701.80 : x - Step 2: Convert to fraction form
358,574,887.26/494,828,314.46 = 199,811,701.80/x - Step 3: Cross multiply
358,574,887.26x = 494,828,314.46 × 199,811,701.80 - Step 4: Simplify right side
358,574,887.26x = 98,872,487,611,078,144 - Step 5: Solve for x
x = 98,872,487,611,078,144/358,574,887.26 - Step 6: Final answer
x = 275,737,345.60
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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.