Finding the Fourth Proportional to 8,631,166,396.68, 11,910,965,836.68 and 4,670,868,064.68
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Solution
The fourth proportional to 8,631,166,396.68, 11,910,965,836.68 and 4,670,868,064.68 is: 6,445,774,231.33
Step by Step Solution
- Step 1: Write the proportion equation
8,631,166,396.68 : 11,910,965,836.68 = 4,670,868,064.68 : x - Step 2: Convert to fraction form
8,631,166,396.68/11,910,965,836.68 = 4,670,868,064.68/x - Step 3: Cross multiply
8,631,166,396.68x = 11,910,965,836.68 × 4,670,868,064.68 - Step 4: Simplify right side
8,631,166,396.68x = 55,634,549,946,043,113,472 - Step 5: Solve for x
x = 55,634,549,946,043,113,472/8,631,166,396.68 - Step 6: Final answer
x = 6,445,774,231.33
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Double scale
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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.