Finding the Fourth Proportional to 4,856,782,953.15, 6,702,406,682.76 and 2,849,652,236.79
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Solution
The fourth proportional to 4,856,782,953.15, 6,702,406,682.76 and 2,849,652,236.79 is: 3,932,547,198.35
Step by Step Solution
- Step 1: Write the proportion equation
4,856,782,953.15 : 6,702,406,682.76 = 2,849,652,236.79 : x - Step 2: Convert to fraction form
4,856,782,953.15/6,702,406,682.76 = 2,849,652,236.79/x - Step 3: Cross multiply
4,856,782,953.15x = 6,702,406,682.76 × 2,849,652,236.79 - Step 4: Simplify right side
4,856,782,953.15x = 19,099,528,195,403,276,288 - Step 5: Solve for x
x = 19,099,528,195,403,276,288/4,856,782,953.15 - Step 6: Final answer
x = 3,932,547,198.35
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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.