Finding the Fourth Proportional to 372,546,528.68, 514,141,381.92 and 215,954,062.76
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Solution
The fourth proportional to 372,546,528.68, 514,141,381.92 and 215,954,062.76 is: 298,032,357.60
Step by Step Solution
- Step 1: Write the proportion equation
372,546,528.68 : 514,141,381.92 = 215,954,062.76 : x - Step 2: Convert to fraction form
372,546,528.68/514,141,381.92 = 215,954,062.76/x - Step 3: Cross multiply
372,546,528.68x = 514,141,381.92 × 215,954,062.76 - Step 4: Simplify right side
372,546,528.68x = 111,030,920,258,664,816 - Step 5: Solve for x
x = 111,030,920,258,664,816/372,546,528.68 - Step 6: Final answer
x = 298,032,357.60
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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.