Finding the Fourth Proportional to 463,322,701.92, 639,424,761.21 and 262,415,316.18
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Solution
The fourth proportional to 463,322,701.92, 639,424,761.21 and 262,415,316.18 is: 362,155,470.02
Step by Step Solution
- Step 1: Write the proportion equation
463,322,701.92 : 639,424,761.21 = 262,415,316.18 : x - Step 2: Convert to fraction form
463,322,701.92/639,424,761.21 = 262,415,316.18/x - Step 3: Cross multiply
463,322,701.92x = 639,424,761.21 × 262,415,316.18 - Step 4: Simplify right side
463,322,701.92x = 167,794,850,886,243,168 - Step 5: Solve for x
x = 167,794,850,886,243,168/463,322,701.92 - Step 6: Final answer
x = 362,155,470.02
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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.