Finding the Fourth Proportional to 472,255,546.47, 651,921,657.60 and 305,073,341.79
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Solution
The fourth proportional to 472,255,546.47, 651,921,657.60 and 305,073,341.79 is: 421,136,226.26
Step by Step Solution
- Step 1: Write the proportion equation
472,255,546.47 : 651,921,657.60 = 305,073,341.79 : x - Step 2: Convert to fraction form
472,255,546.47/651,921,657.60 = 305,073,341.79/x - Step 3: Cross multiply
472,255,546.47x = 651,921,657.60 × 305,073,341.79 - Step 4: Simplify right side
472,255,546.47x = 198,883,918,669,308,160 - Step 5: Solve for x
x = 198,883,918,669,308,160/472,255,546.47 - Step 6: Final answer
x = 421,136,226.26
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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.