Finding the Fourth Proportional to 347,731,324.80, 521,596,987.20 and 311,451,619.20
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Solution
The fourth proportional to 347,731,324.80, 521,596,987.20 and 311,451,619.20 is: 467,177,428.80
Step by Step Solution
- Step 1: Write the proportion equation
347,731,324.80 : 521,596,987.20 = 311,451,619.20 : x - Step 2: Convert to fraction form
347,731,324.80/521,596,987.20 = 311,451,619.20/x - Step 3: Cross multiply
347,731,324.80x = 521,596,987.20 × 311,451,619.20 - Step 4: Simplify right side
347,731,324.80x = 162,452,226,233,281,664 - Step 5: Solve for x
x = 162,452,226,233,281,664/347,731,324.80 - Step 6: Final answer
x = 467,177,428.80
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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.