Finding the Fourth Proportional to 64,680,776,857.80, 97,021,165,286.70 and 15,662,863,513.80
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Solution
The fourth proportional to 64,680,776,857.80, 97,021,165,286.70 and 15,662,863,513.80 is: 23,494,295,270.70
Step by Step Solution
- Step 1: Write the proportion equation
64,680,776,857.80 : 97,021,165,286.70 = 15,662,863,513.80 : x - Step 2: Convert to fraction form
64,680,776,857.80/97,021,165,286.70 = 15,662,863,513.80/x - Step 3: Cross multiply
64,680,776,857.80x = 97,021,165,286.70 × 15,662,863,513.80 - Step 4: Simplify right side
64,680,776,857.80x = 1,519,629,269,835,412,406,272 - Step 5: Solve for x
x = 1,519,629,269,835,412,406,272/64,680,776,857.80 - Step 6: Final answer
x = 23,494,295,270.70
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1.5x scale
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.