Finding the Fourth Proportional to 3,763,437,534.80, 5,194,193,861.40 and 2,178,403,434.44
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Solution
The fourth proportional to 3,763,437,534.80, 5,194,193,861.40 and 2,178,403,434.44 is: 3,006,573,017.94
Step by Step Solution
- Step 1: Write the proportion equation
3,763,437,534.80 : 5,194,193,861.40 = 2,178,403,434.44 : x - Step 2: Convert to fraction form
3,763,437,534.80/5,194,193,861.40 = 2,178,403,434.44/x - Step 3: Cross multiply
3,763,437,534.80x = 5,194,193,861.40 × 2,178,403,434.44 - Step 4: Simplify right side
3,763,437,534.80x = 11,315,049,746,820,925,440 - Step 5: Solve for x
x = 11,315,049,746,820,925,440/3,763,437,534.80 - Step 6: Final answer
x = 3,006,573,017.94
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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.