Finding the Fourth Proportional to 995,328,474.20, 1,492,992,711.30 and 979,204,160.60
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Solution
The fourth proportional to 995,328,474.20, 1,492,992,711.30 and 979,204,160.60 is: 1,468,806,240.90
Step by Step Solution
- Step 1: Write the proportion equation
995,328,474.20 : 1,492,992,711.30 = 979,204,160.60 : x - Step 2: Convert to fraction form
995,328,474.20/1,492,992,711.30 = 979,204,160.60/x - Step 3: Cross multiply
995,328,474.20x = 1,492,992,711.30 × 979,204,160.60 - Step 4: Simplify right side
995,328,474.20x = 1,461,944,674,650,434,560 - Step 5: Solve for x
x = 1,461,944,674,650,434,560/995,328,474.20 - Step 6: Final answer
x = 1,468,806,240.90
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1.5x scale
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.