Finding the Fourth Proportional to 3,803,638,465.44, 5,705,848,626.84 and 1,316,495,324.16
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Solution
The fourth proportional to 3,803,638,465.44, 5,705,848,626.84 and 1,316,495,324.16 is: 1,974,878,292.42
Step by Step Solution
- Step 1: Write the proportion equation
3,803,638,465.44 : 5,705,848,626.84 = 1,316,495,324.16 : x - Step 2: Convert to fraction form
3,803,638,465.44/5,705,848,626.84 = 1,316,495,324.16/x - Step 3: Cross multiply
3,803,638,465.44x = 5,705,848,626.84 × 1,316,495,324.16 - Step 4: Simplify right side
3,803,638,465.44x = 7,511,723,037,599,617,024 - Step 5: Solve for x
x = 7,511,723,037,599,617,024/3,803,638,465.44 - Step 6: Final answer
x = 1,974,878,292.42
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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.