Finding the Fourth Proportional to 944,791,811.40, 1,417,187,717.10 and 858,627,510.60
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Solution
The fourth proportional to 944,791,811.40, 1,417,187,717.10 and 858,627,510.60 is: 1,287,941,265.90
Step by Step Solution
- Step 1: Write the proportion equation
944,791,811.40 : 1,417,187,717.10 = 858,627,510.60 : x - Step 2: Convert to fraction form
944,791,811.40/1,417,187,717.10 = 858,627,510.60/x - Step 3: Cross multiply
944,791,811.40x = 1,417,187,717.10 × 858,627,510.60 - Step 4: Simplify right side
944,791,811.40x = 1,216,836,361,586,469,888 - Step 5: Solve for x
x = 1,216,836,361,586,469,888/944,791,811.40 - Step 6: Final answer
x = 1,287,941,265.90
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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.