Finding the Fourth Proportional to 7,854,398,759.93, 10,839,299,190.12 and 4,286,335,489.70
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Solution
The fourth proportional to 7,854,398,759.93, 10,839,299,190.12 and 4,286,335,489.70 is: 5,915,267,892.83
Step by Step Solution
- Step 1: Write the proportion equation
7,854,398,759.93 : 10,839,299,190.12 = 4,286,335,489.70 : x - Step 2: Convert to fraction form
7,854,398,759.93/10,839,299,190.12 = 4,286,335,489.70/x - Step 3: Cross multiply
7,854,398,759.93x = 10,839,299,190.12 × 4,286,335,489.70 - Step 4: Simplify right side
7,854,398,759.93x = 46,460,872,802,033,631,232 - Step 5: Solve for x
x = 46,460,872,802,033,631,232/7,854,398,759.93 - Step 6: Final answer
x = 5,915,267,892.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.