Finding the Fourth Proportional to 7,558,293,161.70, 11,337,439,742.55 and 6,670,574,115.30
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Solution
The fourth proportional to 7,558,293,161.70, 11,337,439,742.55 and 6,670,574,115.30 is: 10,005,861,172.95
Step by Step Solution
- Step 1: Write the proportion equation
7,558,293,161.70 : 11,337,439,742.55 = 6,670,574,115.30 : x - Step 2: Convert to fraction form
7,558,293,161.70/11,337,439,742.55 = 6,670,574,115.30/x - Step 3: Cross multiply
7,558,293,161.70x = 11,337,439,742.55 × 6,670,574,115.30 - Step 4: Simplify right side
7,558,293,161.70x = 75,627,232,080,427,515,904 - Step 5: Solve for x
x = 75,627,232,080,427,515,904/7,558,293,161.70 - Step 6: Final answer
x = 10,005,861,172.95
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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.