Finding the Fourth Proportional to 522,638,865.72, 783,958,157.64 and 195,139,917.99
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Solution
The fourth proportional to 522,638,865.72, 783,958,157.64 and 195,139,917.99 is: 292,709,824.36
Step by Step Solution
- Step 1: Write the proportion equation
522,638,865.72 : 783,958,157.64 = 195,139,917.99 : x - Step 2: Convert to fraction form
522,638,865.72/783,958,157.64 = 195,139,917.99/x - Step 3: Cross multiply
522,638,865.72x = 783,958,157.64 × 195,139,917.99 - Step 4: Simplify right side
522,638,865.72x = 152,981,530,589,461,088 - Step 5: Solve for x
x = 152,981,530,589,461,088/522,638,865.72 - Step 6: Final answer
x = 292,709,824.36
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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.