Finding the Fourth Proportional to 442,547,409.87, 663,493,858.17 and 267,631,557.03
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Solution
The fourth proportional to 442,547,409.87, 663,493,858.17 and 267,631,557.03 is: 401,249,426.35
Step by Step Solution
- Step 1: Write the proportion equation
442,547,409.87 : 663,493,858.17 = 267,631,557.03 : x - Step 2: Convert to fraction form
442,547,409.87/663,493,858.17 = 267,631,557.03/x - Step 3: Cross multiply
442,547,409.87x = 663,493,858.17 × 267,631,557.03 - Step 4: Simplify right side
442,547,409.87x = 177,571,894,341,879,072 - Step 5: Solve for x
x = 177,571,894,341,879,072/442,547,409.87 - Step 6: Final answer
x = 401,249,426.35
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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.