Finding the Fourth Proportional to 3,290,315,425.99, 4,540,635,287.87 and 1,880,649,656.09
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Solution
The fourth proportional to 3,290,315,425.99, 4,540,635,287.87 and 1,880,649,656.09 is: 2,595,296,525.41
Step by Step Solution
- Step 1: Write the proportion equation
3,290,315,425.99 : 4,540,635,287.87 = 1,880,649,656.09 : x - Step 2: Convert to fraction form
3,290,315,425.99/4,540,635,287.87 = 1,880,649,656.09/x - Step 3: Cross multiply
3,290,315,425.99x = 4,540,635,287.87 × 1,880,649,656.09 - Step 4: Simplify right side
3,290,315,425.99x = 8,539,344,192,562,833,408 - Step 5: Solve for x
x = 8,539,344,192,562,833,408/3,290,315,425.99 - Step 6: Final answer
x = 2,595,296,525.41
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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.