Finding the Fourth Proportional to 995,328,102.70, 1,492,992,154.05 and 910,675,456.30
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Solution
The fourth proportional to 995,328,102.70, 1,492,992,154.05 and 910,675,456.30 is: 1,366,013,184.45
Step by Step Solution
- Step 1: Write the proportion equation
995,328,102.70 : 1,492,992,154.05 = 910,675,456.30 : x - Step 2: Convert to fraction form
995,328,102.70/1,492,992,154.05 = 910,675,456.30/x - Step 3: Cross multiply
995,328,102.70x = 1,492,992,154.05 × 910,675,456.30 - Step 4: Simplify right side
995,328,102.70x = 1,359,631,311,141,803,520 - Step 5: Solve for x
x = 1,359,631,311,141,803,520/995,328,102.70 - Step 6: Final answer
x = 1,366,013,184.45
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Double scale
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Similar ratio
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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.