Finding the Fourth Proportional to 486,739,572.24, 729,618,070.60 and 305,114,296.08
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Solution
The fourth proportional to 486,739,572.24, 729,618,070.60 and 305,114,296.08 is: 457,363,478.78
Step by Step Solution
- Step 1: Write the proportion equation
486,739,572.24 : 729,618,070.60 = 305,114,296.08 : x - Step 2: Convert to fraction form
486,739,572.24/729,618,070.60 = 305,114,296.08/x - Step 3: Cross multiply
486,739,572.24x = 729,618,070.60 × 305,114,296.08 - Step 4: Simplify right side
486,739,572.24x = 222,616,904,018,366,752 - Step 5: Solve for x
x = 222,616,904,018,366,752/486,739,572.24 - Step 6: Final answer
x = 457,363,478.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.