Finding the Fourth Proportional to 610,085,463.44, 841,918,481.93 and 331,626,986.87
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Solution
The fourth proportional to 610,085,463.44, 841,918,481.93 and 331,626,986.87 is: 457,645,536.70
Step by Step Solution
- Step 1: Write the proportion equation
610,085,463.44 : 841,918,481.93 = 331,626,986.87 : x - Step 2: Convert to fraction form
610,085,463.44/841,918,481.93 = 331,626,986.87/x - Step 3: Cross multiply
610,085,463.44x = 841,918,481.93 × 331,626,986.87 - Step 4: Simplify right side
610,085,463.44x = 279,202,889,349,229,920 - Step 5: Solve for x
x = 279,202,889,349,229,920/610,085,463.44 - Step 6: Final answer
x = 457,645,536.70
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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.