Finding the Fourth Proportional to 4,581,514,675.20, 6,872,272,012.80 and 1,821,143,691.09
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Solution
The fourth proportional to 4,581,514,675.20, 6,872,272,012.80 and 1,821,143,691.09 is: 2,731,715,536.64
Step by Step Solution
- Step 1: Write the proportion equation
4,581,514,675.20 : 6,872,272,012.80 = 1,821,143,691.09 : x - Step 2: Convert to fraction form
4,581,514,675.20/6,872,272,012.80 = 1,821,143,691.09/x - Step 3: Cross multiply
4,581,514,675.20x = 6,872,272,012.80 × 1,821,143,691.09 - Step 4: Simplify right side
4,581,514,675.20x = 12,515,394,819,565,094,912 - Step 5: Solve for x
x = 12,515,394,819,565,094,912/4,581,514,675.20 - Step 6: Final answer
x = 2,731,715,536.64
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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.