Finding the Fourth Proportional to 438,790,514.63, 658,176,550.60 and 106,799,376.64
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Solution
The fourth proportional to 438,790,514.63, 658,176,550.60 and 106,799,376.64 is: 160,196,820.53
Step by Step Solution
- Step 1: Write the proportion equation
438,790,514.63 : 658,176,550.60 = 106,799,376.64 : x - Step 2: Convert to fraction form
438,790,514.63/658,176,550.60 = 106,799,376.64/x - Step 3: Cross multiply
438,790,514.63x = 658,176,550.60 × 106,799,376.64 - Step 4: Simplify right side
438,790,514.63x = 70,292,845,323,058,784 - Step 5: Solve for x
x = 70,292,845,323,058,784/438,790,514.63 - Step 6: Final answer
x = 160,196,820.53
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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.