Finding the Fourth Proportional to 727,443,668.79, 1,091,855,353.05 and 450,256,415.94
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Solution
The fourth proportional to 727,443,668.79, 1,091,855,353.05 and 450,256,415.94 is: 675,811,611.37
Step by Step Solution
- Step 1: Write the proportion equation
727,443,668.79 : 1,091,855,353.05 = 450,256,415.94 : x - Step 2: Convert to fraction form
727,443,668.79/1,091,855,353.05 = 450,256,415.94/x - Step 3: Cross multiply
727,443,668.79x = 1,091,855,353.05 × 450,256,415.94 - Step 4: Simplify right side
727,443,668.79x = 491,614,877,989,196,352 - Step 5: Solve for x
x = 491,614,877,989,196,352/727,443,668.79 - Step 6: Final answer
x = 675,811,611.37
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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.