Finding the Fourth Proportional to 320,183,045.48, 480,269,508.96 and 101,830,239.02
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Solution
The fourth proportional to 320,183,045.48, 480,269,508.96 and 101,830,239.02 is: 152,743,749.50
Step by Step Solution
- Step 1: Write the proportion equation
320,183,045.48 : 480,269,508.96 = 101,830,239.02 : x - Step 2: Convert to fraction form
320,183,045.48/480,269,508.96 = 101,830,239.02/x - Step 3: Cross multiply
320,183,045.48x = 480,269,508.96 × 101,830,239.02 - Step 4: Simplify right side
320,183,045.48x = 48,905,958,891,414,824 - Step 5: Solve for x
x = 48,905,958,891,414,824/320,183,045.48 - Step 6: Final answer
x = 152,743,749.50
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1.5x scale
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.