Finding the Fourth Proportional to 264,192,415.20, 396,288,622.80 and 70,103,455.20
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Solution
The fourth proportional to 264,192,415.20, 396,288,622.80 and 70,103,455.20 is: 105,155,182.80
Step by Step Solution
- Step 1: Write the proportion equation
264,192,415.20 : 396,288,622.80 = 70,103,455.20 : x - Step 2: Convert to fraction form
264,192,415.20/396,288,622.80 = 70,103,455.20/x - Step 3: Cross multiply
264,192,415.20x = 396,288,622.80 × 70,103,455.20 - Step 4: Simplify right side
264,192,415.20x = 27,781,201,714,729,500 - Step 5: Solve for x
x = 27,781,201,714,729,500/264,192,415.20 - Step 6: Final answer
x = 105,155,182.80
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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.