Finding the Fourth Proportional to 806,786,933.81, 1,113,336,574.83 and 449,536,251.96
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Solution
The fourth proportional to 806,786,933.81, 1,113,336,574.83 and 449,536,251.96 is: 620,343,649.67
Step by Step Solution
- Step 1: Write the proportion equation
806,786,933.81 : 1,113,336,574.83 = 449,536,251.96 : x - Step 2: Convert to fraction form
806,786,933.81/1,113,336,574.83 = 449,536,251.96/x - Step 3: Cross multiply
806,786,933.81x = 1,113,336,574.83 × 449,536,251.96 - Step 4: Simplify right side
806,786,933.81x = 500,485,151,019,062,208 - Step 5: Solve for x
x = 500,485,151,019,062,208/806,786,933.81 - Step 6: Final answer
x = 620,343,649.67
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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.