Finding the Fourth Proportional to 992,861,403.84, 1,370,245,516.32 and 741,529,455.84
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Solution
The fourth proportional to 992,861,403.84, 1,370,245,516.32 and 741,529,455.84 is: 1,023,382,929.53
Step by Step Solution
- Step 1: Write the proportion equation
992,861,403.84 : 1,370,245,516.32 = 741,529,455.84 : x - Step 2: Convert to fraction form
992,861,403.84/1,370,245,516.32 = 741,529,455.84/x - Step 3: Cross multiply
992,861,403.84x = 1,370,245,516.32 × 741,529,455.84 - Step 4: Simplify right side
992,861,403.84x = 1,016,077,412,083,969,408 - Step 5: Solve for x
x = 1,016,077,412,083,969,408/992,861,403.84 - Step 6: Final answer
x = 1,023,382,929.53
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1.5x scale
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.