Finding the Fourth Proportional to 374,062,637.80, 516,222,382.28 and 209,050,202.44
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Solution
The fourth proportional to 374,062,637.80, 516,222,382.28 and 209,050,202.44 is: 288,498,188.84
Step by Step Solution
- Step 1: Write the proportion equation
374,062,637.80 : 516,222,382.28 = 209,050,202.44 : x - Step 2: Convert to fraction form
374,062,637.80/516,222,382.28 = 209,050,202.44/x - Step 3: Cross multiply
374,062,637.80x = 516,222,382.28 × 209,050,202.44 - Step 4: Simplify right side
374,062,637.80x = 107,916,393,519,693,056 - Step 5: Solve for x
x = 107,916,393,519,693,056/374,062,637.80 - Step 6: Final answer
x = 288,498,188.84
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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.