Finding the Fourth Proportional to 201,024,277.20, 280,860,031.80 and 201,024,277.20
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Solution
The fourth proportional to 201,024,277.20, 280,860,031.80 and 201,024,277.20 is: 280,860,031.80
Step by Step Solution
- Step 1: Write the proportion equation
201,024,277.20 : 280,860,031.80 = 201,024,277.20 : x - Step 2: Convert to fraction form
201,024,277.20/280,860,031.80 = 201,024,277.20/x - Step 3: Cross multiply
201,024,277.20x = 280,860,031.80 × 201,024,277.20 - Step 4: Simplify right side
201,024,277.20x = 56,459,684,886,964,016 - Step 5: Solve for x
x = 56,459,684,886,964,016/201,024,277.20 - Step 6: Final answer
x = 280,860,031.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.