Finding the Fourth Proportional to 590,178,197.79, 814,448,877.21 and 325,860,702.03
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Solution
The fourth proportional to 590,178,197.79, 814,448,877.21 and 325,860,702.03 is: 449,689,405.49
Step by Step Solution
- Step 1: Write the proportion equation
590,178,197.79 : 814,448,877.21 = 325,860,702.03 : x - Step 2: Convert to fraction form
590,178,197.79/814,448,877.21 = 325,860,702.03/x - Step 3: Cross multiply
590,178,197.79x = 814,448,877.21 × 325,860,702.03 - Step 4: Simplify right side
590,178,197.79x = 265,396,882,895,195,872 - Step 5: Solve for x
x = 265,396,882,895,195,872/590,178,197.79 - Step 6: Final answer
x = 449,689,405.49
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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.