Finding the Fourth Proportional to 623,078,863, 934,419,528.42 and 214,036,379.80
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Solution
The fourth proportional to 623,078,863, 934,419,528.42 and 214,036,379.80 is: 320,986,290.75
Step by Step Solution
- Step 1: Write the proportion equation
623,078,863 : 934,419,528.42 = 214,036,379.80 : x - Step 2: Convert to fraction form
623,078,863/934,419,528.42 = 214,036,379.80/x - Step 3: Cross multiply
623,078,863x = 934,419,528.42 × 214,036,379.80 - Step 4: Simplify right side
623,078,863x = 199,999,773,077,440,000 - Step 5: Solve for x
x = 199,999,773,077,440,000/623,078,863 - Step 6: Final answer
x = 320,986,290.75
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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.