Finding the Fourth Proportional to 2,011,718,046.09, 2,776,121,906.99 and 1,107,466,631.39
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Solution
The fourth proportional to 2,011,718,046.09, 2,776,121,906.99 and 1,107,466,631.39 is: 1,528,276,978.29
Step by Step Solution
- Step 1: Write the proportion equation
2,011,718,046.09 : 2,776,121,906.99 = 1,107,466,631.39 : x - Step 2: Convert to fraction form
2,011,718,046.09/2,776,121,906.99 = 1,107,466,631.39/x - Step 3: Cross multiply
2,011,718,046.09x = 2,776,121,906.99 × 1,107,466,631.39 - Step 4: Simplify right side
2,011,718,046.09x = 3,074,462,376,642,780,160 - Step 5: Solve for x
x = 3,074,462,376,642,780,160/2,011,718,046.09 - Step 6: Final answer
x = 1,528,276,978.29
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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.