Finding the Fourth Proportional to 702,862,803.68, 1,053,550,861.68 and 259,920,858.08
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Solution
The fourth proportional to 702,862,803.68, 1,053,550,861.68 and 259,920,858.08 is: 389,606,396.25
Step by Step Solution
- Step 1: Write the proportion equation
702,862,803.68 : 1,053,550,861.68 = 259,920,858.08 : x - Step 2: Convert to fraction form
702,862,803.68/1,053,550,861.68 = 259,920,858.08/x - Step 3: Cross multiply
702,862,803.68x = 1,053,550,861.68 × 259,920,858.08 - Step 4: Simplify right side
702,862,803.68x = 273,839,843,998,788,992 - Step 5: Solve for x
x = 273,839,843,998,788,992/702,862,803.68 - Step 6: Final answer
x = 389,606,396.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.