Finding the Fourth Proportional to 848,419,935.83, 1,272,813,079.23 and 258,256,324.62
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Solution
The fourth proportional to 848,419,935.83, 1,272,813,079.23 and 258,256,324.62 is: 387,440,244.96
Step by Step Solution
- Step 1: Write the proportion equation
848,419,935.83 : 1,272,813,079.23 = 258,256,324.62 : x - Step 2: Convert to fraction form
848,419,935.83/1,272,813,079.23 = 258,256,324.62/x - Step 3: Cross multiply
848,419,935.83x = 1,272,813,079.23 × 258,256,324.62 - Step 4: Simplify right side
848,419,935.83x = 328,712,027,770,204,672 - Step 5: Solve for x
x = 328,712,027,770,204,672/848,419,935.83 - Step 6: Final answer
x = 387,440,244.96
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1.5x scale
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.