Finding the Fourth Proportional to 2,933,660,960.40, 4,400,491,440.60 and 968,817,295.20
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Solution
The fourth proportional to 2,933,660,960.40, 4,400,491,440.60 and 968,817,295.20 is: 1,453,225,942.80
Step by Step Solution
- Step 1: Write the proportion equation
2,933,660,960.40 : 4,400,491,440.60 = 968,817,295.20 : x - Step 2: Convert to fraction form
2,933,660,960.40/4,400,491,440.60 = 968,817,295.20/x - Step 3: Cross multiply
2,933,660,960.40x = 4,400,491,440.60 × 968,817,295.20 - Step 4: Simplify right side
2,933,660,960.40x = 4,263,272,215,032,844,288 - Step 5: Solve for x
x = 4,263,272,215,032,844,288/2,933,660,960.40 - Step 6: Final answer
x = 1,453,225,942.80
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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.