Finding the Fourth Proportional to 351,043,264.86, 484,206,444.99 and 225,753,864.54
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Solution
The fourth proportional to 351,043,264.86, 484,206,444.99 and 225,753,864.54 is: 311,390,324.60
Step by Step Solution
- Step 1: Write the proportion equation
351,043,264.86 : 484,206,444.99 = 225,753,864.54 : x - Step 2: Convert to fraction form
351,043,264.86/484,206,444.99 = 225,753,864.54/x - Step 3: Cross multiply
351,043,264.86x = 484,206,444.99 × 225,753,864.54 - Step 4: Simplify right side
351,043,264.86x = 109,311,476,191,667,424 - Step 5: Solve for x
x = 109,311,476,191,667,424/351,043,264.86 - Step 6: Final answer
x = 311,390,324.60
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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.