Finding the Fourth Proportional to 631,464,758,302.80, 947,186,786,584.08 and 201,195,998,074.28
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Solution
The fourth proportional to 631,464,758,302.80, 947,186,786,584.08 and 201,195,998,074.28 is: 301,790,699,138.54
Step by Step Solution
- Step 1: Write the proportion equation
631,464,758,302.80 : 947,186,786,584.08 = 201,195,998,074.28 : x - Step 2: Convert to fraction form
631,464,758,302.80/947,186,786,584.08 = 201,195,998,074.28/x - Step 3: Cross multiply
631,464,758,302.80x = 947,186,786,584.08 × 201,195,998,074.28 - Step 4: Simplify right side
631,464,758,302.80x = 190,570,190,889,554,018,304,000 - Step 5: Solve for x
x = 190,570,190,889,554,018,304,000/631,464,758,302.80 - Step 6: Final answer
x = 301,790,699,138.54
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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.