Finding the Fourth Proportional to 1,637,751,581.70, 2,456,627,372.55 and 532,354,301.70
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Solution
The fourth proportional to 1,637,751,581.70, 2,456,627,372.55 and 532,354,301.70 is: 798,531,452.55
Step by Step Solution
- Step 1: Write the proportion equation
1,637,751,581.70 : 2,456,627,372.55 = 532,354,301.70 : x - Step 2: Convert to fraction form
1,637,751,581.70/2,456,627,372.55 = 532,354,301.70/x - Step 3: Cross multiply
1,637,751,581.70x = 2,456,627,372.55 × 532,354,301.70 - Step 4: Simplify right side
1,637,751,581.70x = 1,307,796,149,450,961,152 - Step 5: Solve for x
x = 1,307,796,149,450,961,152/1,637,751,581.70 - Step 6: Final answer
x = 798,531,452.55
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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.