Finding the Fourth Proportional to 986,161,917.26, 1,360,925,475.17 and 562,767,148.98
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Solution
The fourth proportional to 986,161,917.26, 1,360,925,475.17 and 562,767,148.98 is: 776,631,236.95
Step by Step Solution
- Step 1: Write the proportion equation
986,161,917.26 : 1,360,925,475.17 = 562,767,148.98 : x - Step 2: Convert to fraction form
986,161,917.26/1,360,925,475.17 = 562,767,148.98/x - Step 3: Cross multiply
986,161,917.26x = 1,360,925,475.17 × 562,767,148.98 - Step 4: Simplify right side
986,161,917.26x = 765,884,149,632,858,880 - Step 5: Solve for x
x = 765,884,149,632,858,880/986,161,917.26 - Step 6: Final answer
x = 776,631,236.95
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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.