Finding the Fourth Proportional to 2,387,324,105.98, 3,294,430,005.84 and 1,370,216,946.13
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Solution
The fourth proportional to 2,387,324,105.98, 3,294,430,005.84 and 1,370,216,946.13 is: 1,890,855,041.65
Step by Step Solution
- Step 1: Write the proportion equation
2,387,324,105.98 : 3,294,430,005.84 = 1,370,216,946.13 : x - Step 2: Convert to fraction form
2,387,324,105.98/3,294,430,005.84 = 1,370,216,946.13/x - Step 3: Cross multiply
2,387,324,105.98x = 3,294,430,005.84 × 1,370,216,946.13 - Step 4: Simplify right side
2,387,324,105.98x = 4,514,083,821,841,123,328 - Step 5: Solve for x
x = 4,514,083,821,841,123,328/2,387,324,105.98 - Step 6: Final answer
x = 1,890,855,041.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.