Finding the Fourth Proportional to 911,008,041.60, 1,366,512,062.40 and 667,351,747.20
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Solution
The fourth proportional to 911,008,041.60, 1,366,512,062.40 and 667,351,747.20 is: 1,001,027,620.80
Step by Step Solution
- Step 1: Write the proportion equation
911,008,041.60 : 1,366,512,062.40 = 667,351,747.20 : x - Step 2: Convert to fraction form
911,008,041.60/1,366,512,062.40 = 667,351,747.20/x - Step 3: Cross multiply
911,008,041.60x = 1,366,512,062.40 × 667,351,747.20 - Step 4: Simplify right side
911,008,041.60x = 911,944,212,412,515,584 - Step 5: Solve for x
x = 911,944,212,412,515,584/911,008,041.60 - Step 6: Final answer
x = 1,001,027,620.80
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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.