Finding the Fourth Proportional to 3,188,656,237.60, 4,782,984,356.40 and 1,788,202,914.40
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Solution
The fourth proportional to 3,188,656,237.60, 4,782,984,356.40 and 1,788,202,914.40 is: 2,682,304,371.60
Step by Step Solution
- Step 1: Write the proportion equation
3,188,656,237.60 : 4,782,984,356.40 = 1,788,202,914.40 : x - Step 2: Convert to fraction form
3,188,656,237.60/4,782,984,356.40 = 1,788,202,914.40/x - Step 3: Cross multiply
3,188,656,237.60x = 4,782,984,356.40 × 1,788,202,914.40 - Step 4: Simplify right side
3,188,656,237.60x = 8,552,946,565,644,088,320 - Step 5: Solve for x
x = 8,552,946,565,644,088,320/3,188,656,237.60 - Step 6: Final answer
x = 2,682,304,371.60
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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.