Finding the Fourth Proportional to 347,845,288.80, 521,767,933.20 and 330,839,176.80
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Solution
The fourth proportional to 347,845,288.80, 521,767,933.20 and 330,839,176.80 is: 496,258,765.20
Step by Step Solution
- Step 1: Write the proportion equation
347,845,288.80 : 521,767,933.20 = 330,839,176.80 : x - Step 2: Convert to fraction form
347,845,288.80/521,767,933.20 = 330,839,176.80/x - Step 3: Cross multiply
347,845,288.80x = 521,767,933.20 × 330,839,176.80 - Step 4: Simplify right side
347,845,288.80x = 172,621,273,500,525,408 - Step 5: Solve for x
x = 172,621,273,500,525,408/347,845,288.80 - Step 6: Final answer
x = 496,258,765.20
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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.