Finding the Fourth Proportional to 201,804,295,254.06, 278,358,706,446.03 and 129,431,726,529.96
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Solution
The fourth proportional to 201,804,295,254.06, 278,358,706,446.03 and 129,431,726,529.96 is: 178,531,621,066.83
Step by Step Solution
- Step 1: Write the proportion equation
201,804,295,254.06 : 278,358,706,446.03 = 129,431,726,529.96 : x - Step 2: Convert to fraction form
201,804,295,254.06/278,358,706,446.03 = 129,431,726,529.96/x - Step 3: Cross multiply
201,804,295,254.06x = 278,358,706,446.03 × 129,431,726,529.96 - Step 4: Simplify right side
201,804,295,254.06x = 36,028,447,969,955,972,907,008 - Step 5: Solve for x
x = 36,028,447,969,955,972,907,008/201,804,295,254.06 - Step 6: Final answer
x = 178,531,621,066.83
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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.