Finding the Fourth Proportional to 7,781,802,255.76, 11,673,912,707.14 and 2,613,153,531.28
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Solution
The fourth proportional to 7,781,802,255.76, 11,673,912,707.14 and 2,613,153,531.28 is: 3,920,136,391.53
Step by Step Solution
- Step 1: Write the proportion equation
7,781,802,255.76 : 11,673,912,707.14 = 2,613,153,531.28 : x - Step 2: Convert to fraction form
7,781,802,255.76/11,673,912,707.14 = 2,613,153,531.28/x - Step 3: Cross multiply
7,781,802,255.76x = 11,673,912,707.14 × 2,613,153,531.28 - Step 4: Simplify right side
7,781,802,255.76x = 30,505,726,214,517,354,496 - Step 5: Solve for x
x = 30,505,726,214,517,354,496/7,781,802,255.76 - Step 6: Final answer
x = 3,920,136,391.53
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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.