Finding the Fourth Proportional to 217,276,784.24, 300,631,529.06 and 189,457,504.54
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Solution
The fourth proportional to 217,276,784.24, 300,631,529.06 and 189,457,504.54 is: 262,139,829.99
Step by Step Solution
- Step 1: Write the proportion equation
217,276,784.24 : 300,631,529.06 = 189,457,504.54 : x - Step 2: Convert to fraction form
217,276,784.24/300,631,529.06 = 189,457,504.54/x - Step 3: Cross multiply
217,276,784.24x = 300,631,529.06 × 189,457,504.54 - Step 4: Simplify right side
217,276,784.24x = 56,956,899,280,763,688 - Step 5: Solve for x
x = 56,956,899,280,763,688/217,276,784.24 - Step 6: Final answer
x = 262,139,829.99
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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.