Finding the Fourth Proportional to 331,388,315.24, 497,133,548.81 and 112,987,581.38
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Solution
The fourth proportional to 331,388,315.24, 497,133,548.81 and 112,987,581.38 is: 169,498,786.52
Step by Step Solution
- Step 1: Write the proportion equation
331,388,315.24 : 497,133,548.81 = 112,987,581.38 : x - Step 2: Convert to fraction form
331,388,315.24/497,133,548.81 = 112,987,581.38/x - Step 3: Cross multiply
331,388,315.24x = 497,133,548.81 × 112,987,581.38 - Step 4: Simplify right side
331,388,315.24x = 56,169,917,299,847,472 - Step 5: Solve for x
x = 56,169,917,299,847,472/331,388,315.24 - Step 6: Final answer
x = 169,498,786.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.