Finding the Fourth Proportional to 3,188,551,711.20, 4,782,827,566.80 and 1,468,624,927.20
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Solution
The fourth proportional to 3,188,551,711.20, 4,782,827,566.80 and 1,468,624,927.20 is: 2,202,937,390.80
Step by Step Solution
- Step 1: Write the proportion equation
3,188,551,711.20 : 4,782,827,566.80 = 1,468,624,927.20 : x - Step 2: Convert to fraction form
3,188,551,711.20/4,782,827,566.80 = 1,468,624,927.20/x - Step 3: Cross multiply
3,188,551,711.20x = 4,782,827,566.80 × 1,468,624,927.20 - Step 4: Simplify right side
3,188,551,711.20x = 7,024,179,787,101,803,520 - Step 5: Solve for x
x = 7,024,179,787,101,803,520/3,188,551,711.20 - Step 6: Final answer
x = 2,202,937,390.80
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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.