Finding the Fourth Proportional to 2,361,961,625.20, 3,542,942,437.80 and 808,736,729.20
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Solution
The fourth proportional to 2,361,961,625.20, 3,542,942,437.80 and 808,736,729.20 is: 1,213,105,093.80
Step by Step Solution
- Step 1: Write the proportion equation
2,361,961,625.20 : 3,542,942,437.80 = 808,736,729.20 : x - Step 2: Convert to fraction form
2,361,961,625.20/3,542,942,437.80 = 808,736,729.20/x - Step 3: Cross multiply
2,361,961,625.20x = 3,542,942,437.80 × 808,736,729.20 - Step 4: Simplify right side
2,361,961,625.20x = 2,865,307,678,890,246,656 - Step 5: Solve for x
x = 2,865,307,678,890,246,656/2,361,961,625.20 - Step 6: Final answer
x = 1,213,105,093.80
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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.