Finding the Fourth Proportional to 723,252,425.49, 1,084,762,366.38 and 198,498,943.44
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Solution
The fourth proportional to 723,252,425.49, 1,084,762,366.38 and 198,498,943.44 is: 297,716,503.98
Step by Step Solution
- Step 1: Write the proportion equation
723,252,425.49 : 1,084,762,366.38 = 198,498,943.44 : x - Step 2: Convert to fraction form
723,252,425.49/1,084,762,366.38 = 198,498,943.44/x - Step 3: Cross multiply
723,252,425.49x = 1,084,762,366.38 × 198,498,943.44 - Step 4: Simplify right side
723,252,425.49x = 215,324,183,609,904,192 - Step 5: Solve for x
x = 215,324,183,609,904,192/723,252,425.49 - Step 6: Final answer
x = 297,716,503.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.