Finding the Fourth Proportional to 440,926,748.09, 661,391,905.25 and 178,616,259.60
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Solution
The fourth proportional to 440,926,748.09, 661,391,905.25 and 178,616,259.60 is: 267,925,111.73
Step by Step Solution
- Step 1: Write the proportion equation
440,926,748.09 : 661,391,905.25 = 178,616,259.60 : x - Step 2: Convert to fraction form
440,926,748.09/661,391,905.25 = 178,616,259.60/x - Step 3: Cross multiply
440,926,748.09x = 661,391,905.25 × 178,616,259.60 - Step 4: Simplify right side
440,926,748.09x = 118,135,348,245,472,592 - Step 5: Solve for x
x = 118,135,348,245,472,592/440,926,748.09 - Step 6: Final answer
x = 267,925,111.73
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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.