Finding the Fourth Proportional to 694,506,174.08, 958,414,737.12 and 381,245,719.04
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Solution
The fourth proportional to 694,506,174.08, 958,414,737.12 and 381,245,719.04 is: 526,117,015.56
Step by Step Solution
- Step 1: Write the proportion equation
694,506,174.08 : 958,414,737.12 = 381,245,719.04 : x - Step 2: Convert to fraction form
694,506,174.08/958,414,737.12 = 381,245,719.04/x - Step 3: Cross multiply
694,506,174.08x = 958,414,737.12 × 381,245,719.04 - Step 4: Simplify right side
694,506,174.08x = 365,391,515,591,846,976 - Step 5: Solve for x
x = 365,391,515,591,846,976/694,506,174.08 - Step 6: Final answer
x = 526,117,015.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.