Finding the Fourth Proportional to 861,102,294.72, 1,292,154,749.36 and 363,081,571.84
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Solution
The fourth proportional to 861,102,294.72, 1,292,154,749.36 and 363,081,571.84 is: 544,833,732.69
Step by Step Solution
- Step 1: Write the proportion equation
861,102,294.72 : 1,292,154,749.36 = 363,081,571.84 : x - Step 2: Convert to fraction form
861,102,294.72/1,292,154,749.36 = 363,081,571.84/x - Step 3: Cross multiply
861,102,294.72x = 1,292,154,749.36 × 363,081,571.84 - Step 4: Simplify right side
861,102,294.72x = 469,157,577,458,149,952 - Step 5: Solve for x
x = 469,157,577,458,149,952/861,102,294.72 - Step 6: Final answer
x = 544,833,732.69
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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.