Finding the Fourth Proportional to 1,944,765,236.97, 2,682,771,728.58 and 1,318,019,325.93
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Solution
The fourth proportional to 1,944,765,236.97, 2,682,771,728.58 and 1,318,019,325.93 is: 1,818,186,029.92
Step by Step Solution
- Step 1: Write the proportion equation
1,944,765,236.97 : 2,682,771,728.58 = 1,318,019,325.93 : x - Step 2: Convert to fraction form
1,944,765,236.97/2,682,771,728.58 = 1,318,019,325.93/x - Step 3: Cross multiply
1,944,765,236.97x = 2,682,771,728.58 × 1,318,019,325.93 - Step 4: Simplify right side
1,944,765,236.97x = 3,535,944,985,327,072,768 - Step 5: Solve for x
x = 3,535,944,985,327,072,768/1,944,765,236.97 - Step 6: Final answer
x = 1,818,186,029.92
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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.