Finding the Fourth Proportional to 7,864,535,676.93, 10,855,645,640.73 and 6,259,934,026.01
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Solution
The fourth proportional to 7,864,535,676.93, 10,855,645,640.73 and 6,259,934,026.01 is: 8,640,767,657.78
Step by Step Solution
- Step 1: Write the proportion equation
7,864,535,676.93 : 10,855,645,640.73 = 6,259,934,026.01 : x - Step 2: Convert to fraction form
7,864,535,676.93/10,855,645,640.73 = 6,259,934,026.01/x - Step 3: Cross multiply
7,864,535,676.93x = 10,855,645,640.73 × 6,259,934,026.01 - Step 4: Simplify right side
7,864,535,676.93x = 67,955,625,520,678,109,184 - Step 5: Solve for x
x = 67,955,625,520,678,109,184/7,864,535,676.93 - Step 6: Final answer
x = 8,640,767,657.78
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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.