Finding the Fourth Proportional to 667,040,277.42, 920,515,670.19 and 369,701,716.02
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Solution
The fourth proportional to 667,040,277.42, 920,515,670.19 and 369,701,716.02 is: 510,188,416.52
Step by Step Solution
- Step 1: Write the proportion equation
667,040,277.42 : 920,515,670.19 = 369,701,716.02 : x - Step 2: Convert to fraction form
667,040,277.42/920,515,670.19 = 369,701,716.02/x - Step 3: Cross multiply
667,040,277.42x = 920,515,670.19 × 369,701,716.02 - Step 4: Simplify right side
667,040,277.42x = 340,316,222,892,543,360 - Step 5: Solve for x
x = 340,316,222,892,543,360/667,040,277.42 - Step 6: Final answer
x = 510,188,416.52
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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.