Finding the Fourth Proportional to 532,936,270.80, 799,404,406.20 and 403,796,107.80
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Solution
The fourth proportional to 532,936,270.80, 799,404,406.20 and 403,796,107.80 is: 605,694,161.70
Step by Step Solution
- Step 1: Write the proportion equation
532,936,270.80 : 799,404,406.20 = 403,796,107.80 : x - Step 2: Convert to fraction form
532,936,270.80/799,404,406.20 = 403,796,107.80/x - Step 3: Cross multiply
532,936,270.80x = 799,404,406.20 × 403,796,107.80 - Step 4: Simplify right side
532,936,270.80x = 322,796,387,781,730,240 - Step 5: Solve for x
x = 322,796,387,781,730,240/532,936,270.80 - Step 6: Final answer
x = 605,694,161.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.