Finding the Fourth Proportional to 1,206,104,936.20, 1,809,157,404.30 and 1,083,660,929.80
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Solution
The fourth proportional to 1,206,104,936.20, 1,809,157,404.30 and 1,083,660,929.80 is: 1,625,491,394.70
Step by Step Solution
- Step 1: Write the proportion equation
1,206,104,936.20 : 1,809,157,404.30 = 1,083,660,929.80 : x - Step 2: Convert to fraction form
1,206,104,936.20/1,809,157,404.30 = 1,083,660,929.80/x - Step 3: Cross multiply
1,206,104,936.20x = 1,809,157,404.30 × 1,083,660,929.80 - Step 4: Simplify right side
1,206,104,936.20x = 1,960,513,194,898,292,480 - Step 5: Solve for x
x = 1,960,513,194,898,292,480/1,206,104,936.20 - Step 6: Final answer
x = 1,625,491,394.70
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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.