Finding the Fourth Proportional to 5,163,485,280.96, 7,125,399,213.42 and 3,049,625,559.36
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Solution
The fourth proportional to 5,163,485,280.96, 7,125,399,213.42 and 3,049,625,559.36 is: 4,208,358,962.90
Step by Step Solution
- Step 1: Write the proportion equation
5,163,485,280.96 : 7,125,399,213.42 = 3,049,625,559.36 : x - Step 2: Convert to fraction form
5,163,485,280.96/7,125,399,213.42 = 3,049,625,559.36/x - Step 3: Cross multiply
5,163,485,280.96x = 7,125,399,213.42 × 3,049,625,559.36 - Step 4: Simplify right side
5,163,485,280.96x = 21,729,799,561,926,815,744 - Step 5: Solve for x
x = 21,729,799,561,926,815,744/5,163,485,280.96 - Step 6: Final answer
x = 4,208,358,962.90
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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.