Finding the Fourth Proportional to 2,842,318,412.28, 3,922,136,178.84 and 1,572,132,062.52
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Solution
The fourth proportional to 2,842,318,412.28, 3,922,136,178.84 and 1,572,132,062.52 is: 2,169,396,649.47
Step by Step Solution
- Step 1: Write the proportion equation
2,842,318,412.28 : 3,922,136,178.84 = 1,572,132,062.52 : x - Step 2: Convert to fraction form
2,842,318,412.28/3,922,136,178.84 = 1,572,132,062.52/x - Step 3: Cross multiply
2,842,318,412.28x = 3,922,136,178.84 × 1,572,132,062.52 - Step 4: Simplify right side
2,842,318,412.28x = 6,166,116,040,324,040,704 - Step 5: Solve for x
x = 6,166,116,040,324,040,704/2,842,318,412.28 - Step 6: Final answer
x = 2,169,396,649.47
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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.