Finding the Fourth Proportional to 881,330,246.12, 1,321,947,528.26 and 267,866,642.18
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Solution
The fourth proportional to 881,330,246.12, 1,321,947,528.26 and 267,866,642.18 is: 401,785,422.77
Step by Step Solution
- Step 1: Write the proportion equation
881,330,246.12 : 1,321,947,528.26 = 267,866,642.18 : x - Step 2: Convert to fraction form
881,330,246.12/1,321,947,528.26 = 267,866,642.18/x - Step 3: Cross multiply
881,330,246.12x = 1,321,947,528.26 × 267,866,642.18 - Step 4: Simplify right side
881,330,246.12x = 354,105,645,535,122,432 - Step 5: Solve for x
x = 354,105,645,535,122,432/881,330,246.12 - Step 6: Final answer
x = 401,785,422.77
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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.