Finding the Fourth Proportional to 324,130,135.43, 486,162,482.31 and 219,755,647.23
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Solution
The fourth proportional to 324,130,135.43, 486,162,482.31 and 219,755,647.23 is: 329,611,286.59
Step by Step Solution
- Step 1: Write the proportion equation
324,130,135.43 : 486,162,482.31 = 219,755,647.23 : x - Step 2: Convert to fraction form
324,130,135.43/486,162,482.31 = 219,755,647.23/x - Step 3: Cross multiply
324,130,135.43x = 486,162,482.31 × 219,755,647.23 - Step 4: Simplify right side
324,130,135.43x = 106,836,950,958,977,472 - Step 5: Solve for x
x = 106,836,950,958,977,472/324,130,135.43 - Step 6: Final answer
x = 329,611,286.59
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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.