Finding the Fourth Proportional to 634,206,086,840.12, 875,222,984,858.62 and 345,193,065,549.68
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Solution
The fourth proportional to 634,206,086,840.12, 875,222,984,858.62 and 345,193,065,549.68 is: 476,376,546,129.01
Step by Step Solution
- Step 1: Write the proportion equation
634,206,086,840.12 : 875,222,984,858.62 = 345,193,065,549.68 : x - Step 2: Convert to fraction form
634,206,086,840.12/875,222,984,858.62 = 345,193,065,549.68/x - Step 3: Cross multiply
634,206,086,840.12x = 875,222,984,858.62 × 345,193,065,549.68 - Step 4: Simplify right side
634,206,086,840.12x = 302,120,905,182,888,207,581,184 - Step 5: Solve for x
x = 302,120,905,182,888,207,581,184/634,206,086,840.12 - Step 6: Final answer
x = 476,376,546,129.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.