Finding the Fourth Proportional to 287,602,047.36, 396,964,644.48 and 177,530,512.32
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Solution
The fourth proportional to 287,602,047.36, 396,964,644.48 and 177,530,512.32 is: 245,037,673.95
Step by Step Solution
- Step 1: Write the proportion equation
287,602,047.36 : 396,964,644.48 = 177,530,512.32 : x - Step 2: Convert to fraction form
287,602,047.36/396,964,644.48 = 177,530,512.32/x - Step 3: Cross multiply
287,602,047.36x = 396,964,644.48 × 177,530,512.32 - Step 4: Simplify right side
287,602,047.36x = 70,473,336,707,461,064 - Step 5: Solve for x
x = 70,473,336,707,461,064/287,602,047.36 - Step 6: Final answer
x = 245,037,673.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.