Finding the Fourth Proportional to 485,097,986,407.80, 727,646,979,611.70 and 170,924,693,863.80
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Solution
The fourth proportional to 485,097,986,407.80, 727,646,979,611.70 and 170,924,693,863.80 is: 256,387,040,795.70
Step by Step Solution
- Step 1: Write the proportion equation
485,097,986,407.80 : 727,646,979,611.70 = 170,924,693,863.80 : x - Step 2: Convert to fraction form
485,097,986,407.80/727,646,979,611.70 = 170,924,693,863.80/x - Step 3: Cross multiply
485,097,986,407.80x = 727,646,979,611.70 × 170,924,693,863.80 - Step 4: Simplify right side
485,097,986,407.80x = 124,372,837,231,048,523,776,000 - Step 5: Solve for x
x = 124,372,837,231,048,523,776,000/485,097,986,407.80 - Step 6: Final answer
x = 256,387,040,795.70
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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.