Finding the Fourth Proportional to 1,821,310,843.08, 2,731,557,381.90 and 837,792,798.60
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Solution
The fourth proportional to 1,821,310,843.08, 2,731,557,381.90 and 837,792,798.60 is: 1,256,501,114.14
Step by Step Solution
- Step 1: Write the proportion equation
1,821,310,843.08 : 2,731,557,381.90 = 837,792,798.60 : x - Step 2: Convert to fraction form
1,821,310,843.08/2,731,557,381.90 = 837,792,798.60/x - Step 3: Cross multiply
1,821,310,843.08x = 2,731,557,381.90 × 837,792,798.60 - Step 4: Simplify right side
1,821,310,843.08x = 2,288,479,103,518,490,112 - Step 5: Solve for x
x = 2,288,479,103,518,490,112/1,821,310,843.08 - Step 6: Final answer
x = 1,256,501,114.14
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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.