Finding the Fourth Proportional to 1,628,913,404, 2,247,881,601.84 and 886,344,672.80
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Solution
The fourth proportional to 1,628,913,404, 2,247,881,601.84 and 886,344,672.80 is: 1,223,145,366.71
Step by Step Solution
- Step 1: Write the proportion equation
1,628,913,404 : 2,247,881,601.84 = 886,344,672.80 : x - Step 2: Convert to fraction form
1,628,913,404/2,247,881,601.84 = 886,344,672.80/x - Step 3: Cross multiply
1,628,913,404x = 2,247,881,601.84 × 886,344,672.80 - Step 4: Simplify right side
1,628,913,404x = 1,992,397,882,876,014,592 - Step 5: Solve for x
x = 1,992,397,882,876,014,592/1,628,913,404 - Step 6: Final answer
x = 1,223,145,366.71
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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.