Finding the Fourth Proportional to 2,519,427,563.20, 3,779,141,344.80 and 1,907,207,531.20
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Solution
The fourth proportional to 2,519,427,563.20, 3,779,141,344.80 and 1,907,207,531.20 is: 2,860,811,296.80
Step by Step Solution
- Step 1: Write the proportion equation
2,519,427,563.20 : 3,779,141,344.80 = 1,907,207,531.20 : x - Step 2: Convert to fraction form
2,519,427,563.20/3,779,141,344.80 = 1,907,207,531.20/x - Step 3: Cross multiply
2,519,427,563.20x = 3,779,141,344.80 × 1,907,207,531.20 - Step 4: Simplify right side
2,519,427,563.20x = 7,207,606,834,271,856,640 - Step 5: Solve for x
x = 7,207,606,834,271,856,640/2,519,427,563.20 - Step 6: Final answer
x = 2,860,811,296.80
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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.