Finding the Fourth Proportional to 1,296,127,906.68, 1,788,661,027.44 and 701,412,241.98
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Solution
The fourth proportional to 1,296,127,906.68, 1,788,661,027.44 and 701,412,241.98 is: 967,951,337.93
Step by Step Solution
- Step 1: Write the proportion equation
1,296,127,906.68 : 1,788,661,027.44 = 701,412,241.98 : x - Step 2: Convert to fraction form
1,296,127,906.68/1,788,661,027.44 = 701,412,241.98/x - Step 3: Cross multiply
1,296,127,906.68x = 1,788,661,027.44 × 701,412,241.98 - Step 4: Simplify right side
1,296,127,906.68x = 1,254,588,741,398,940,672 - Step 5: Solve for x
x = 1,254,588,741,398,940,672/1,296,127,906.68 - Step 6: Final answer
x = 967,951,337.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.