Finding the Fourth Proportional to 332,425,216.80, 498,646,378.80 and 157,507,207.20
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Solution
The fourth proportional to 332,425,216.80, 498,646,378.80 and 157,507,207.20 is: 236,264,863.60
Step by Step Solution
- Step 1: Write the proportion equation
332,425,216.80 : 498,646,378.80 = 157,507,207.20 : x - Step 2: Convert to fraction form
332,425,216.80/498,646,378.80 = 157,507,207.20/x - Step 3: Cross multiply
332,425,216.80x = 498,646,378.80 × 157,507,207.20 - Step 4: Simplify right side
332,425,216.80x = 78,540,398,505,181,280 - Step 5: Solve for x
x = 78,540,398,505,181,280/332,425,216.80 - Step 6: Final answer
x = 236,264,863.60
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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.