Finding the Fourth Proportional to 2,986,449,573,173, 4,121,256,550,617.80 and 1,668,080,965,713.10
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Solution
The fourth proportional to 2,986,449,573,173, 4,121,256,550,617.80 and 1,668,080,965,713.10 is: 2,301,927,234,485.99
Step by Step Solution
- Step 1: Write the proportion equation
2,986,449,573,173 : 4,121,256,550,617.80 = 1,668,080,965,713.10 : x - Step 2: Convert to fraction form
2,986,449,573,173/4,121,256,550,617.80 = 1,668,080,965,713.10/x - Step 3: Cross multiply
2,986,449,573,173x = 4,121,256,550,617.80 × 1,668,080,965,713.10 - Step 4: Simplify right side
2,986,449,573,173x = 6,874,589,606,905,979,273,740,288 - Step 5: Solve for x
x = 6,874,589,606,905,979,273,740,288/2,986,449,573,173 - Step 6: Final answer
x = 2,301,927,234,485.99
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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.