Finding the Fourth Proportional to 465,489,213.29, 698,305,564.46 and 158,709,581.63
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Solution
The fourth proportional to 465,489,213.29, 698,305,564.46 and 158,709,581.63 is: 238,088,833.90
Step by Step Solution
- Step 1: Write the proportion equation
465,489,213.29 : 698,305,564.46 = 158,709,581.63 : x - Step 2: Convert to fraction form
465,489,213.29/698,305,564.46 = 158,709,581.63/x - Step 3: Cross multiply
465,489,213.29x = 698,305,564.46 × 158,709,581.63 - Step 4: Simplify right side
465,489,213.29x = 110,827,783,985,347,600 - Step 5: Solve for x
x = 110,827,783,985,347,600/465,489,213.29 - Step 6: Final answer
x = 238,088,833.90
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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.