Finding the Fourth Proportional to 438,305,635.23, 604,862,102.72 and 237,364,069.41
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Solution
The fourth proportional to 438,305,635.23, 604,862,102.72 and 237,364,069.41 is: 327,562,592.39
Step by Step Solution
- Step 1: Write the proportion equation
438,305,635.23 : 604,862,102.72 = 237,364,069.41 : x - Step 2: Convert to fraction form
438,305,635.23/604,862,102.72 = 237,364,069.41/x - Step 3: Cross multiply
438,305,635.23x = 604,862,102.72 × 237,364,069.41 - Step 4: Simplify right side
438,305,635.23x = 143,572,530,133,508,640 - Step 5: Solve for x
x = 143,572,530,133,508,640/438,305,635.23 - Step 6: Final answer
x = 327,562,592.39
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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.