Finding the Fourth Proportional to 573,213,812.80, 858,545,260.80 and 471,177,140.80
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Solution
The fourth proportional to 573,213,812.80, 858,545,260.80 and 471,177,140.80 is: 705,717,294.66
Step by Step Solution
- Step 1: Write the proportion equation
573,213,812.80 : 858,545,260.80 = 471,177,140.80 : x - Step 2: Convert to fraction form
573,213,812.80/858,545,260.80 = 471,177,140.80/x - Step 3: Cross multiply
573,213,812.80x = 858,545,260.80 × 471,177,140.80 - Step 4: Simplify right side
573,213,812.80x = 404,526,901,231,134,336 - Step 5: Solve for x
x = 404,526,901,231,134,336/573,213,812.80 - Step 6: Final answer
x = 705,717,294.66
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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.