Finding the Fourth Proportional to 351,043,241.61, 484,206,412.91 and 225,753,841.29
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Solution
The fourth proportional to 351,043,241.61, 484,206,412.91 and 225,753,841.29 is: 311,390,292.52
Step by Step Solution
- Step 1: Write the proportion equation
351,043,241.61 : 484,206,412.91 = 225,753,841.29 : x - Step 2: Convert to fraction form
351,043,241.61/484,206,412.91 = 225,753,841.29/x - Step 3: Cross multiply
351,043,241.61x = 484,206,412.91 × 225,753,841.29 - Step 4: Simplify right side
351,043,241.61x = 109,311,457,690,555,568 - Step 5: Solve for x
x = 109,311,457,690,555,568/351,043,241.61 - Step 6: Final answer
x = 311,390,292.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.