Finding the Fourth Proportional to 881,330,256.25, 1,321,947,543.44 and 267,866,652.31
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Solution
The fourth proportional to 881,330,256.25, 1,321,947,543.44 and 267,866,652.31 is: 401,785,437.95
Step by Step Solution
- Step 1: Write the proportion equation
881,330,256.25 : 1,321,947,543.44 = 267,866,652.31 : x - Step 2: Convert to fraction form
881,330,256.25/1,321,947,543.44 = 267,866,652.31/x - Step 3: Cross multiply
881,330,256.25x = 1,321,947,543.44 × 267,866,652.31 - Step 4: Simplify right side
881,330,256.25x = 354,105,662,988,065,920 - Step 5: Solve for x
x = 354,105,662,988,065,920/881,330,256.25 - Step 6: Final answer
x = 401,785,437.95
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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.