Finding the Fourth Proportional to 944,785,176.40, 1,417,177,764.60 and 910,347,799.60
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Solution
The fourth proportional to 944,785,176.40, 1,417,177,764.60 and 910,347,799.60 is: 1,365,521,699.40
Step by Step Solution
- Step 1: Write the proportion equation
944,785,176.40 : 1,417,177,764.60 = 910,347,799.60 : x - Step 2: Convert to fraction form
944,785,176.40/1,417,177,764.60 = 910,347,799.60/x - Step 3: Cross multiply
944,785,176.40x = 1,417,177,764.60 × 910,347,799.60 - Step 4: Simplify right side
944,785,176.40x = 1,290,124,659,645,656,832 - Step 5: Solve for x
x = 1,290,124,659,645,656,832/944,785,176.40 - Step 6: Final answer
x = 1,365,521,699.40
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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.