Finding the Fourth Proportional to 2,764,570,160.94, 4,146,401,232.55 and 1,190,253,625.80
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Solution
The fourth proportional to 2,764,570,160.94, 4,146,401,232.55 and 1,190,253,625.80 is: 1,785,184,970.45
Step by Step Solution
- Step 1: Write the proportion equation
2,764,570,160.94 : 4,146,401,232.55 = 1,190,253,625.80 : x - Step 2: Convert to fraction form
2,764,570,160.94/4,146,401,232.55 = 1,190,253,625.80/x - Step 3: Cross multiply
2,764,570,160.94x = 4,146,401,232.55 × 1,190,253,625.80 - Step 4: Simplify right side
2,764,570,160.94x = 4,935,269,101,064,226,816 - Step 5: Solve for x
x = 4,935,269,101,064,226,816/2,764,570,160.94 - Step 6: Final answer
x = 1,785,184,970.45
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1.5x scale
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.