Finding the Fourth Proportional to 928,270,625.73, 1,392,254,578.83 and 273,068,420.70
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Solution
The fourth proportional to 928,270,625.73, 1,392,254,578.83 and 273,068,420.70 is: 409,558,105.70
Step by Step Solution
- Step 1: Write the proportion equation
928,270,625.73 : 1,392,254,578.83 = 273,068,420.70 : x - Step 2: Convert to fraction form
928,270,625.73/1,392,254,578.83 = 273,068,420.70/x - Step 3: Cross multiply
928,270,625.73x = 1,392,254,578.83 × 273,068,420.70 - Step 4: Simplify right side
928,270,625.73x = 380,180,759,053,451,712 - Step 5: Solve for x
x = 380,180,759,053,451,712/928,270,625.73 - Step 6: Final answer
x = 409,558,105.70
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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.