Finding the Fourth Proportional to 412,974,107.67, 619,234,742.43 and 163,726,867.13
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Solution
The fourth proportional to 412,974,107.67, 619,234,742.43 and 163,726,867.13 is: 245,500,535.05
Step by Step Solution
- Step 1: Write the proportion equation
412,974,107.67 : 619,234,742.43 = 163,726,867.13 : x - Step 2: Convert to fraction form
412,974,107.67/619,234,742.43 = 163,726,867.13/x - Step 3: Cross multiply
412,974,107.67x = 619,234,742.43 × 163,726,867.13 - Step 4: Simplify right side
412,974,107.67x = 101,385,364,395,297,744 - Step 5: Solve for x
x = 101,385,364,395,297,744/412,974,107.67 - Step 6: Final answer
x = 245,500,535.05
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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.