Finding the Fourth Proportional to 3,936,274,119, 5,432,171,658.30 and 2,176,254,901.08
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Solution
The fourth proportional to 3,936,274,119, 5,432,171,658.30 and 2,176,254,901.08 is: 3,003,294,444.82
Step by Step Solution
- Step 1: Write the proportion equation
3,936,274,119 : 5,432,171,658.30 = 2,176,254,901.08 : x - Step 2: Convert to fraction form
3,936,274,119/5,432,171,658.30 = 2,176,254,901.08/x - Step 3: Cross multiply
3,936,274,119x = 5,432,171,658.30 × 2,176,254,901.08 - Step 4: Simplify right side
3,936,274,119x = 11,821,790,194,883,246,080 - Step 5: Solve for x
x = 11,821,790,194,883,246,080/3,936,274,119 - Step 6: Final answer
x = 3,003,294,444.82
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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.