Finding the Fourth Proportional to 1,163,983,711.14, 1,606,057,735.05 and 668,850,760.26
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Solution
The fourth proportional to 1,163,983,711.14, 1,606,057,735.05 and 668,850,760.26 is: 922,876,262.64
Step by Step Solution
- Step 1: Write the proportion equation
1,163,983,711.14 : 1,606,057,735.05 = 668,850,760.26 : x - Step 2: Convert to fraction form
1,163,983,711.14/1,606,057,735.05 = 668,850,760.26/x - Step 3: Cross multiply
1,163,983,711.14x = 1,606,057,735.05 × 668,850,760.26 - Step 4: Simplify right side
1,163,983,711.14x = 1,074,212,937,109,646,080 - Step 5: Solve for x
x = 1,074,212,937,109,646,080/1,163,983,711.14 - Step 6: Final answer
x = 922,876,262.64
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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.