Finding the Fourth Proportional to 1,074,587,266.70, 1,609,193,514.45 and 859,596,418.70
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Solution
The fourth proportional to 1,074,587,266.70, 1,609,193,514.45 and 859,596,418.70 is: 1,287,244,903.12
Step by Step Solution
- Step 1: Write the proportion equation
1,074,587,266.70 : 1,609,193,514.45 = 859,596,418.70 : x - Step 2: Convert to fraction form
1,074,587,266.70/1,609,193,514.45 = 859,596,418.70/x - Step 3: Cross multiply
1,074,587,266.70x = 1,609,193,514.45 × 859,596,418.70 - Step 4: Simplify right side
1,074,587,266.70x = 1,383,256,982,016,486,912 - Step 5: Solve for x
x = 1,383,256,982,016,486,912/1,074,587,266.70 - Step 6: Final answer
x = 1,287,244,903.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.