Finding the Fourth Proportional to 512,051,799.36, 706,633,241.76 and 277,102,397.28
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Solution
The fourth proportional to 512,051,799.36, 706,633,241.76 and 277,102,397.28 is: 382,402,259.96
Step by Step Solution
- Step 1: Write the proportion equation
512,051,799.36 : 706,633,241.76 = 277,102,397.28 : x - Step 2: Convert to fraction form
512,051,799.36/706,633,241.76 = 277,102,397.28/x - Step 3: Cross multiply
512,051,799.36x = 706,633,241.76 × 277,102,397.28 - Step 4: Simplify right side
512,051,799.36x = 195,809,765,289,433,792 - Step 5: Solve for x
x = 195,809,765,289,433,792/512,051,799.36 - Step 6: Final answer
x = 382,402,259.96
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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.