Finding the Fourth Proportional to 7,702,967,613, 11,546,387,077.62 and 3,223,628,660.54
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Solution
The fourth proportional to 7,702,967,613, 11,546,387,077.62 and 3,223,628,660.54 is: 4,832,068,129.99
Step by Step Solution
- Step 1: Write the proportion equation
7,702,967,613 : 11,546,387,077.62 = 3,223,628,660.54 : x - Step 2: Convert to fraction form
7,702,967,613/11,546,387,077.62 = 3,223,628,660.54/x - Step 3: Cross multiply
7,702,967,613x = 11,546,387,077.62 × 3,223,628,660.54 - Step 4: Simplify right side
7,702,967,613x = 37,221,264,309,104,525,312 - Step 5: Solve for x
x = 37,221,264,309,104,525,312/7,702,967,613 - Step 6: Final answer
x = 4,832,068,129.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.