Finding the Fourth Proportional to 245,289,468.80, 367,934,203.20 and 201,451,491.20
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Solution
The fourth proportional to 245,289,468.80, 367,934,203.20 and 201,451,491.20 is: 302,177,236.80
Step by Step Solution
- Step 1: Write the proportion equation
245,289,468.80 : 367,934,203.20 = 201,451,491.20 : x - Step 2: Convert to fraction form
245,289,468.80/367,934,203.20 = 201,451,491.20/x - Step 3: Cross multiply
245,289,468.80x = 367,934,203.20 × 201,451,491.20 - Step 4: Simplify right side
245,289,468.80x = 74,120,893,898,123,808 - Step 5: Solve for x
x = 74,120,893,898,123,808/245,289,468.80 - Step 6: Final answer
x = 302,177,236.80
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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.