Finding the Fourth Proportional to 945,543,129.05, 1,417,186,292.28 and 440,079,268.07
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Solution
The fourth proportional to 945,543,129.05, 1,417,186,292.28 and 440,079,268.07 is: 659,593,716.10
Step by Step Solution
- Step 1: Write the proportion equation
945,543,129.05 : 1,417,186,292.28 = 440,079,268.07 : x - Step 2: Convert to fraction form
945,543,129.05/1,417,186,292.28 = 440,079,268.07/x - Step 3: Cross multiply
945,543,129.05x = 1,417,186,292.28 × 440,079,268.07 - Step 4: Simplify right side
945,543,129.05x = 623,674,306,218,333,568 - Step 5: Solve for x
x = 623,674,306,218,333,568/945,543,129.05 - Step 6: Final answer
x = 659,593,716.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.