Finding the Fourth Proportional to 422,024,763.70, 633,149,119.95 and 149,367,099.70
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Solution
The fourth proportional to 422,024,763.70, 633,149,119.95 and 149,367,099.70 is: 224,090,280.62
Step by Step Solution
- Step 1: Write the proportion equation
422,024,763.70 : 633,149,119.95 = 149,367,099.70 : x - Step 2: Convert to fraction form
422,024,763.70/633,149,119.95 = 149,367,099.70/x - Step 3: Cross multiply
422,024,763.70x = 633,149,119.95 × 149,367,099.70 - Step 4: Simplify right side
422,024,763.70x = 94,571,647,724,538,912 - Step 5: Solve for x
x = 94,571,647,724,538,912/422,024,763.70 - Step 6: Final answer
x = 224,090,280.62
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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.