Finding the Fourth Proportional to 1,684,947,040.20, 2,527,420,560.30 and 1,636,519,479.08
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Solution
The fourth proportional to 1,684,947,040.20, 2,527,420,560.30 and 1,636,519,479.08 is: 2,454,779,218.61
Step by Step Solution
- Step 1: Write the proportion equation
1,684,947,040.20 : 2,527,420,560.30 = 1,636,519,479.08 : x - Step 2: Convert to fraction form
1,684,947,040.20/2,527,420,560.30 = 1,636,519,479.08/x - Step 3: Cross multiply
1,684,947,040.20x = 2,527,420,560.30 × 1,636,519,479.08 - Step 4: Simplify right side
1,684,947,040.20x = 4,136,172,978,745,601,024 - Step 5: Solve for x
x = 4,136,172,978,745,601,024/1,684,947,040.20 - Step 6: Final answer
x = 2,454,779,218.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.