Finding the Fourth Proportional to 7,619,379,253.28, 10,512,371,181.77 and 4,403,117,523.75
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Solution
The fourth proportional to 7,619,379,253.28, 10,512,371,181.77 and 4,403,117,523.75 is: 6,074,931,333.37
Step by Step Solution
- Step 1: Write the proportion equation
7,619,379,253.28 : 10,512,371,181.77 = 4,403,117,523.75 : x - Step 2: Convert to fraction form
7,619,379,253.28/10,512,371,181.77 = 4,403,117,523.75/x - Step 3: Cross multiply
7,619,379,253.28x = 10,512,371,181.77 × 4,403,117,523.75 - Step 4: Simplify right side
7,619,379,253.28x = 46,287,205,766,627,147,776 - Step 5: Solve for x
x = 46,287,205,766,627,147,776/7,619,379,253.28 - Step 6: Final answer
x = 6,074,931,333.37
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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.