Finding the Fourth Proportional to 295,465,186.62, 407,729,290.95 and 163,299,348.54
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Solution
The fourth proportional to 295,465,186.62, 407,729,290.95 and 163,299,348.54 is: 225,346,100.35
Step by Step Solution
- Step 1: Write the proportion equation
295,465,186.62 : 407,729,290.95 = 163,299,348.54 : x - Step 2: Convert to fraction form
295,465,186.62/407,729,290.95 = 163,299,348.54/x - Step 3: Cross multiply
295,465,186.62x = 407,729,290.95 × 163,299,348.54 - Step 4: Simplify right side
295,465,186.62x = 66,581,927,592,811,112 - Step 5: Solve for x
x = 66,581,927,592,811,112/295,465,186.62 - Step 6: Final answer
x = 225,346,100.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.