Finding the Fourth Proportional to 413,021,348.44, 569,948,959 and 227,378,378.32
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Solution
The fourth proportional to 413,021,348.44, 569,948,959 and 227,378,378.32 is: 313,770,875.31
Step by Step Solution
- Step 1: Write the proportion equation
413,021,348.44 : 569,948,959 = 227,378,378.32 : x - Step 2: Convert to fraction form
413,021,348.44/569,948,959 = 227,378,378.32/x - Step 3: Cross multiply
413,021,348.44x = 569,948,959 × 227,378,378.32 - Step 4: Simplify right side
413,021,348.44x = 129,594,070,022,592,160 - Step 5: Solve for x
x = 129,594,070,022,592,160/413,021,348.44 - Step 6: Final answer
x = 313,770,875.31
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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.