Finding the Fourth Proportional to 1,096,302,880.10, 1,644,454,320.15 and 543,391,663.70
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Solution
The fourth proportional to 1,096,302,880.10, 1,644,454,320.15 and 543,391,663.70 is: 815,087,495.55
Step by Step Solution
- Step 1: Write the proportion equation
1,096,302,880.10 : 1,644,454,320.15 = 543,391,663.70 : x - Step 2: Convert to fraction form
1,096,302,880.10/1,644,454,320.15 = 543,391,663.70/x - Step 3: Cross multiply
1,096,302,880.10x = 1,644,454,320.15 × 543,391,663.70 - Step 4: Simplify right side
1,096,302,880.10x = 893,582,768,904,961,024 - Step 5: Solve for x
x = 893,582,768,904,961,024/1,096,302,880.10 - Step 6: Final answer
x = 815,087,495.55
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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.