Finding the Fourth Proportional to 2,381,601,739.14, 3,286,613,124.77 and 1,324,307,010.78
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Solution
The fourth proportional to 2,381,601,739.14, 3,286,613,124.77 and 1,324,307,010.78 is: 1,827,545,189.99
Step by Step Solution
- Step 1: Write the proportion equation
2,381,601,739.14 : 3,286,613,124.77 = 1,324,307,010.78 : x - Step 2: Convert to fraction form
2,381,601,739.14/3,286,613,124.77 = 1,324,307,010.78/x - Step 3: Cross multiply
2,381,601,739.14x = 3,286,613,124.77 × 1,324,307,010.78 - Step 4: Simplify right side
2,381,601,739.14x = 4,352,484,802,847,852,032 - Step 5: Solve for x
x = 4,352,484,802,847,852,032/2,381,601,739.14 - Step 6: Final answer
x = 1,827,545,189.99
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1.5x scale
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.