Finding the Fourth Proportional to 1,779,524,511.30, 2,670,083,029.35 and 809,676,908.10
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Solution
The fourth proportional to 1,779,524,511.30, 2,670,083,029.35 and 809,676,908.10 is: 1,214,877,658.52
Step by Step Solution
- Step 1: Write the proportion equation
1,779,524,511.30 : 2,670,083,029.35 = 809,676,908.10 : x - Step 2: Convert to fraction form
1,779,524,511.30/2,670,083,029.35 = 809,676,908.10/x - Step 3: Cross multiply
1,779,524,511.30x = 2,670,083,029.35 × 809,676,908.10 - Step 4: Simplify right side
1,779,524,511.30x = 2,161,904,571,574,389,504 - Step 5: Solve for x
x = 2,161,904,571,574,389,504/1,779,524,511.30 - Step 6: Final answer
x = 1,214,877,658.52
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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.