Finding the Fourth Proportional to 1,395,306,122.40, 2,092,959,183.60 and 1,201,436,445.60
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Solution
The fourth proportional to 1,395,306,122.40, 2,092,959,183.60 and 1,201,436,445.60 is: 1,802,154,668.40
Step by Step Solution
- Step 1: Write the proportion equation
1,395,306,122.40 : 2,092,959,183.60 = 1,201,436,445.60 : x - Step 2: Convert to fraction form
1,395,306,122.40/2,092,959,183.60 = 1,201,436,445.60/x - Step 3: Cross multiply
1,395,306,122.40x = 2,092,959,183.60 × 1,201,436,445.60 - Step 4: Simplify right side
1,395,306,122.40x = 2,514,557,442,330,261,504 - Step 5: Solve for x
x = 2,514,557,442,330,261,504/1,395,306,122.40 - Step 6: Final answer
x = 1,802,154,668.40
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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.