Finding the Fourth Proportional to 478,821,103.64, 718,253,060.62 and 146,804,224.62
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Solution
The fourth proportional to 478,821,103.64, 718,253,060.62 and 146,804,224.62 is: 220,212,899.65
Step by Step Solution
- Step 1: Write the proportion equation
478,821,103.64 : 718,253,060.62 = 146,804,224.62 : x - Step 2: Convert to fraction form
478,821,103.64/718,253,060.62 = 146,804,224.62/x - Step 3: Cross multiply
478,821,103.64x = 718,253,060.62 × 146,804,224.62 - Step 4: Simplify right side
478,821,103.64x = 105,442,583,645,260,960 - Step 5: Solve for x
x = 105,442,583,645,260,960/478,821,103.64 - Step 6: Final answer
x = 220,212,899.65
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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.