Finding the Fourth Proportional to 517,267,906.16, 713,819,592.12 and 282,320,251.12
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Solution
The fourth proportional to 517,267,906.16, 713,819,592.12 and 282,320,251.12 is: 389,596,424.02
Step by Step Solution
- Step 1: Write the proportion equation
517,267,906.16 : 713,819,592.12 = 282,320,251.12 : x - Step 2: Convert to fraction form
517,267,906.16/713,819,592.12 = 282,320,251.12/x - Step 3: Cross multiply
517,267,906.16x = 713,819,592.12 × 282,320,251.12 - Step 4: Simplify right side
517,267,906.16x = 201,525,726,501,694,368 - Step 5: Solve for x
x = 201,525,726,501,694,368/517,267,906.16 - Step 6: Final answer
x = 389,596,424.02
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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.