Finding the Fourth Proportional to 866,052,717.80, 1,299,079,076.70 and 848,834,029.40
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Solution
The fourth proportional to 866,052,717.80, 1,299,079,076.70 and 848,834,029.40 is: 1,273,251,044.10
Step by Step Solution
- Step 1: Write the proportion equation
866,052,717.80 : 1,299,079,076.70 = 848,834,029.40 : x - Step 2: Convert to fraction form
866,052,717.80/1,299,079,076.70 = 848,834,029.40/x - Step 3: Cross multiply
866,052,717.80x = 1,299,079,076.70 × 848,834,029.40 - Step 4: Simplify right side
866,052,717.80x = 1,102,702,527,184,492,672 - Step 5: Solve for x
x = 1,102,702,527,184,492,672/866,052,717.80 - Step 6: Final answer
x = 1,273,251,044.10
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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.