Finding the Fourth Proportional to 330,862,404.20, 496,293,606.30 and 185,743,581.80
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Solution
The fourth proportional to 330,862,404.20, 496,293,606.30 and 185,743,581.80 is: 278,615,372.70
Step by Step Solution
- Step 1: Write the proportion equation
330,862,404.20 : 496,293,606.30 = 185,743,581.80 : x - Step 2: Convert to fraction form
330,862,404.20/496,293,606.30 = 185,743,581.80/x - Step 3: Cross multiply
330,862,404.20x = 496,293,606.30 × 185,743,581.80 - Step 4: Simplify right side
330,862,404.20x = 92,183,352,058,601,056 - Step 5: Solve for x
x = 92,183,352,058,601,056/330,862,404.20 - Step 6: Final answer
x = 278,615,372.70
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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.