Finding the Fourth Proportional to 303,490,353.60, 455,236,230.24 and 174,938,143.68
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Solution
The fourth proportional to 303,490,353.60, 455,236,230.24 and 174,938,143.68 is: 262,407,618.92
Step by Step Solution
- Step 1: Write the proportion equation
303,490,353.60 : 455,236,230.24 = 174,938,143.68 : x - Step 2: Convert to fraction form
303,490,353.60/455,236,230.24 = 174,938,143.68/x - Step 3: Cross multiply
303,490,353.60x = 455,236,230.24 × 174,938,143.68 - Step 4: Simplify right side
303,490,353.60x = 79,638,181,054,066,688 - Step 5: Solve for x
x = 79,638,181,054,066,688/303,490,353.60 - Step 6: Final answer
x = 262,407,618.92
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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.