Finding the Fourth Proportional to 207,301,543,250.40, 286,077,187,557.36 and 115,851,620,387.04
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Solution
The fourth proportional to 207,301,543,250.40, 286,077,187,557.36 and 115,851,620,387.04 is: 159,875,827,331.66
Step by Step Solution
- Step 1: Write the proportion equation
207,301,543,250.40 : 286,077,187,557.36 = 115,851,620,387.04 : x - Step 2: Convert to fraction form
207,301,543,250.40/286,077,187,557.36 = 115,851,620,387.04/x - Step 3: Cross multiply
207,301,543,250.40x = 286,077,187,557.36 × 115,851,620,387.04 - Step 4: Simplify right side
207,301,543,250.40x = 33,142,505,734,287,310,979,072 - Step 5: Solve for x
x = 33,142,505,734,287,310,979,072/207,301,543,250.40 - Step 6: Final answer
x = 159,875,827,331.66
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1.5x scale
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.