Finding the Fourth Proportional to 5,081,055,323.98, 7,620,737,637.36 and 1,538,954,612.68
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Solution
The fourth proportional to 5,081,055,323.98, 7,620,737,637.36 and 1,538,954,612.68 is: 2,308,175,879.07
Step by Step Solution
- Step 1: Write the proportion equation
5,081,055,323.98 : 7,620,737,637.36 = 1,538,954,612.68 : x - Step 2: Convert to fraction form
5,081,055,323.98/7,620,737,637.36 = 1,538,954,612.68/x - Step 3: Cross multiply
5,081,055,323.98x = 7,620,737,637.36 × 1,538,954,612.68 - Step 4: Simplify right side
5,081,055,323.98x = 11,727,969,339,039,256,576 - Step 5: Solve for x
x = 11,727,969,339,039,256,576/5,081,055,323.98 - Step 6: Final answer
x = 2,308,175,879.07
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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.