Finding the Fourth Proportional to 292,449,255,665.27, 438,703,940,749.05 and 101,220,980,433.79
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Solution
The fourth proportional to 292,449,255,665.27, 438,703,940,749.05 and 101,220,980,433.79 is: 151,841,873,906.54
Step by Step Solution
- Step 1: Write the proportion equation
292,449,255,665.27 : 438,703,940,749.05 = 101,220,980,433.79 : x - Step 2: Convert to fraction form
292,449,255,665.27/438,703,940,749.05 = 101,220,980,433.79/x - Step 3: Cross multiply
292,449,255,665.27x = 438,703,940,749.05 × 101,220,980,433.79 - Step 4: Simplify right side
292,449,255,665.27x = 44,406,043,002,786,151,399,424 - Step 5: Solve for x
x = 44,406,043,002,786,151,399,424/292,449,255,665.27 - Step 6: Final answer
x = 151,841,873,906.54
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1.5x scale
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.