Finding the Fourth Proportional to 519,230,553.44, 716,509,779.75 and 284,235,755.90
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Solution
The fourth proportional to 519,230,553.44, 716,509,779.75 and 284,235,755.90 is: 392,229,805.25
Step by Step Solution
- Step 1: Write the proportion equation
519,230,553.44 : 716,509,779.75 = 284,235,755.90 : x - Step 2: Convert to fraction form
519,230,553.44/716,509,779.75 = 284,235,755.90/x - Step 3: Cross multiply
519,230,553.44x = 716,509,779.75 × 284,235,755.90 - Step 4: Simplify right side
519,230,553.44x = 203,657,698,853,401,216 - Step 5: Solve for x
x = 203,657,698,853,401,216/519,230,553.44 - Step 6: Final answer
x = 392,229,805.25
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.