Finding the Fourth Proportional to 1,983,823,163.11, 2,737,675,161.75 and 1,091,749,886.79
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Solution
The fourth proportional to 1,983,823,163.11, 2,737,675,161.75 and 1,091,749,886.79 is: 1,506,614,401.67
Step by Step Solution
- Step 1: Write the proportion equation
1,983,823,163.11 : 2,737,675,161.75 = 1,091,749,886.79 : x - Step 2: Convert to fraction form
1,983,823,163.11/2,737,675,161.75 = 1,091,749,886.79/x - Step 3: Cross multiply
1,983,823,163.11x = 2,737,675,161.75 × 1,091,749,886.79 - Step 4: Simplify right side
1,983,823,163.11x = 2,988,856,547,908,357,120 - Step 5: Solve for x
x = 2,988,856,547,908,357,120/1,983,823,163.11 - Step 6: Final answer
x = 1,506,614,401.67
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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.