Finding the Fourth Proportional to 762,438,730.65, 1,143,526,467.74 and 202,204,446.81
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Solution
The fourth proportional to 762,438,730.65, 1,143,526,467.74 and 202,204,446.81 is: 303,271,761.42
Step by Step Solution
- Step 1: Write the proportion equation
762,438,730.65 : 1,143,526,467.74 = 202,204,446.81 : x - Step 2: Convert to fraction form
762,438,730.65/1,143,526,467.74 = 202,204,446.81/x - Step 3: Cross multiply
762,438,730.65x = 1,143,526,467.74 × 202,204,446.81 - Step 4: Simplify right side
762,438,730.65x = 231,226,136,820,948,960 - Step 5: Solve for x
x = 231,226,136,820,948,960/762,438,730.65 - Step 6: Final answer
x = 303,271,761.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.