Finding the Fourth Proportional to 832,849,534.26, 1,241,828,406.63 and 809,967,512.16
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Solution
The fourth proportional to 832,849,534.26, 1,241,828,406.63 and 809,967,512.16 is: 1,207,709,944.80
Step by Step Solution
- Step 1: Write the proportion equation
832,849,534.26 : 1,241,828,406.63 = 809,967,512.16 : x - Step 2: Convert to fraction form
832,849,534.26/1,241,828,406.63 = 809,967,512.16/x - Step 3: Cross multiply
832,849,534.26x = 1,241,828,406.63 × 809,967,512.16 - Step 4: Simplify right side
832,849,534.26x = 1,005,840,665,047,718,016 - Step 5: Solve for x
x = 1,005,840,665,047,718,016/832,849,534.26 - Step 6: Final answer
x = 1,207,709,944.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.