Finding the Fourth Proportional to 352,649,173.60, 486,656,171 and 193,881,998.08
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Solution
The fourth proportional to 352,649,173.60, 486,656,171 and 193,881,998.08 is: 267,557,328.57
Step by Step Solution
- Step 1: Write the proportion equation
352,649,173.60 : 486,656,171 = 193,881,998.08 : x - Step 2: Convert to fraction form
352,649,173.60/486,656,171 = 193,881,998.08/x - Step 3: Cross multiply
352,649,173.60x = 486,656,171 × 193,881,998.08 - Step 4: Simplify right side
352,649,173.60x = 94,353,870,811,442,160 - Step 5: Solve for x
x = 94,353,870,811,442,160/352,649,173.60 - Step 6: Final answer
x = 267,557,328.57
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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.