Finding the Fourth Proportional to 1,347,987,631.60, 2,021,981,447.40 and 1,296,331,566.40
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Solution
The fourth proportional to 1,347,987,631.60, 2,021,981,447.40 and 1,296,331,566.40 is: 1,944,497,349.60
Step by Step Solution
- Step 1: Write the proportion equation
1,347,987,631.60 : 2,021,981,447.40 = 1,296,331,566.40 : x - Step 2: Convert to fraction form
1,347,987,631.60/2,021,981,447.40 = 1,296,331,566.40/x - Step 3: Cross multiply
1,347,987,631.60x = 2,021,981,447.40 × 1,296,331,566.40 - Step 4: Simplify right side
1,347,987,631.60x = 2,621,158,376,939,781,632 - Step 5: Solve for x
x = 2,621,158,376,939,781,632/1,347,987,631.60 - Step 6: Final answer
x = 1,944,497,349.60
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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.