Finding the Fourth Proportional to 701,725,852.40, 1,051,455,037.80 and 442,477,122.80
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Solution
The fourth proportional to 701,725,852.40, 1,051,455,037.80 and 442,477,122.80 is: 663,000,797.66
Step by Step Solution
- Step 1: Write the proportion equation
701,725,852.40 : 1,051,455,037.80 = 442,477,122.80 : x - Step 2: Convert to fraction form
701,725,852.40/1,051,455,037.80 = 442,477,122.80/x - Step 3: Cross multiply
701,725,852.40x = 1,051,455,037.80 × 442,477,122.80 - Step 4: Simplify right side
701,725,852.40x = 465,244,799,879,309,248 - Step 5: Solve for x
x = 465,244,799,879,309,248/701,725,852.40 - Step 6: Final answer
x = 663,000,797.66
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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.