Finding the Fourth Proportional to 399,060,201.70, 598,590,302.55 and 262,899,331.30
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Solution
The fourth proportional to 399,060,201.70, 598,590,302.55 and 262,899,331.30 is: 394,348,996.95
Step by Step Solution
- Step 1: Write the proportion equation
399,060,201.70 : 598,590,302.55 = 262,899,331.30 : x - Step 2: Convert to fraction form
399,060,201.70/598,590,302.55 = 262,899,331.30/x - Step 3: Cross multiply
399,060,201.70x = 598,590,302.55 × 262,899,331.30 - Step 4: Simplify right side
399,060,201.70x = 157,368,990,263,059,680 - Step 5: Solve for x
x = 157,368,990,263,059,680/399,060,201.70 - Step 6: Final answer
x = 394,348,996.95
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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.