Finding the Fourth Proportional to 492,678,467.06, 739,272,453.29 and 216,523,451.07
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Solution
The fourth proportional to 492,678,467.06, 739,272,453.29 and 216,523,451.07 is: 324,897,135.90
Step by Step Solution
- Step 1: Write the proportion equation
492,678,467.06 : 739,272,453.29 = 216,523,451.07 : x - Step 2: Convert to fraction form
492,678,467.06/739,272,453.29 = 216,523,451.07/x - Step 3: Cross multiply
492,678,467.06x = 739,272,453.29 × 216,523,451.07 - Step 4: Simplify right side
492,678,467.06x = 160,069,822,867,336,160 - Step 5: Solve for x
x = 160,069,822,867,336,160/492,678,467.06 - Step 6: Final answer
x = 324,897,135.90
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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.