Finding the Fourth Proportional to 451,440,527.76, 622,994,384.28 and 338,209,390.08
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Solution
The fourth proportional to 451,440,527.76, 622,994,384.28 and 338,209,390.08 is: 466,733,794.98
Step by Step Solution
- Step 1: Write the proportion equation
451,440,527.76 : 622,994,384.28 = 338,209,390.08 : x - Step 2: Convert to fraction form
451,440,527.76/622,994,384.28 = 338,209,390.08/x - Step 3: Cross multiply
451,440,527.76x = 622,994,384.28 × 338,209,390.08 - Step 4: Simplify right side
451,440,527.76x = 210,702,550,730,603,904 - Step 5: Solve for x
x = 210,702,550,730,603,904/451,440,527.76 - Step 6: Final answer
x = 466,733,794.98
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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.