Finding the Fourth Proportional to 352,401,573.84, 486,118,261.80 and 327,461,531.28
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Solution
The fourth proportional to 352,401,573.84, 486,118,261.80 and 327,461,531.28 is: 451,714,867.95
Step by Step Solution
- Step 1: Write the proportion equation
352,401,573.84 : 486,118,261.80 = 327,461,531.28 : x - Step 2: Convert to fraction form
352,401,573.84/486,118,261.80 = 327,461,531.28/x - Step 3: Cross multiply
352,401,573.84x = 486,118,261.80 × 327,461,531.28 - Step 4: Simplify right side
352,401,573.84x = 159,185,030,392,199,904 - Step 5: Solve for x
x = 159,185,030,392,199,904/352,401,573.84 - Step 6: Final answer
x = 451,714,867.95
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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.