Finding the Fourth Proportional to 995,328,138.20, 1,492,992,207.30 and 910,675,491.80
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Solution
The fourth proportional to 995,328,138.20, 1,492,992,207.30 and 910,675,491.80 is: 1,366,013,237.70
Step by Step Solution
- Step 1: Write the proportion equation
995,328,138.20 : 1,492,992,207.30 = 910,675,491.80 : x - Step 2: Convert to fraction form
995,328,138.20/1,492,992,207.30 = 910,675,491.80/x - Step 3: Cross multiply
995,328,138.20x = 1,492,992,207.30 × 910,675,491.80 - Step 4: Simplify right side
995,328,138.20x = 1,359,631,412,636,494,848 - Step 5: Solve for x
x = 1,359,631,412,636,494,848/995,328,138.20 - Step 6: Final answer
x = 1,366,013,237.70
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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.