Finding the Fourth Proportional to 307,816,729.62, 462,185,828.84 and 266,445,916.12
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Solution
The fourth proportional to 307,816,729.62, 462,185,828.84 and 266,445,916.12 is: 400,067,685.52
Step by Step Solution
- Step 1: Write the proportion equation
307,816,729.62 : 462,185,828.84 = 266,445,916.12 : x - Step 2: Convert to fraction form
307,816,729.62/462,185,828.84 = 266,445,916.12/x - Step 3: Cross multiply
307,816,729.62x = 462,185,828.84 × 266,445,916.12 - Step 4: Simplify right side
307,816,729.62x = 123,147,526,581,601,680 - Step 5: Solve for x
x = 123,147,526,581,601,680/307,816,729.62 - Step 6: Final answer
x = 400,067,685.52
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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.