Finding the Fourth Proportional to 6,933,133,902.88, 9,567,743,330.64 and 3,761,317,819.36
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Solution
The fourth proportional to 6,933,133,902.88, 9,567,743,330.64 and 3,761,317,819.36 is: 5,190,628,651.45
Step by Step Solution
- Step 1: Write the proportion equation
6,933,133,902.88 : 9,567,743,330.64 = 3,761,317,819.36 : x - Step 2: Convert to fraction form
6,933,133,902.88/9,567,743,330.64 = 3,761,317,819.36/x - Step 3: Cross multiply
6,933,133,902.88x = 9,567,743,330.64 × 3,761,317,819.36 - Step 4: Simplify right side
6,933,133,902.88x = 35,987,323,480,599,027,712 - Step 5: Solve for x
x = 35,987,323,480,599,027,712/6,933,133,902.88 - Step 6: Final answer
x = 5,190,628,651.45
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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.