Finding the Fourth Proportional to 635,319,232.05, 876,761,831.00 and 353,073,569.03
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Solution
The fourth proportional to 635,319,232.05, 876,761,831.00 and 353,073,569.03 is: 487,253,357.43
Step by Step Solution
- Step 1: Write the proportion equation
635,319,232.05 : 876,761,831.00 = 353,073,569.03 : x - Step 2: Convert to fraction form
635,319,232.05/876,761,831.00 = 353,073,569.03/x - Step 3: Cross multiply
635,319,232.05x = 876,761,831.00 × 353,073,569.03 - Step 4: Simplify right side
635,319,232.05x = 309,561,428,856,270,272 - Step 5: Solve for x
x = 309,561,428,856,270,272/635,319,232.05 - Step 6: Final answer
x = 487,253,357.43
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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.