Finding the Fourth Proportional to 201,525,659,556.87, 302,289,619,469.40 and 67,219,780,948.74
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Solution
The fourth proportional to 201,525,659,556.87, 302,289,619,469.40 and 67,219,780,948.74 is: 100,830,048,384.37
Step by Step Solution
- Step 1: Write the proportion equation
201,525,659,556.87 : 302,289,619,469.40 = 67,219,780,948.74 : x - Step 2: Convert to fraction form
201,525,659,556.87/302,289,619,469.40 = 67,219,780,948.74/x - Step 3: Cross multiply
201,525,659,556.87x = 302,289,619,469.40 × 67,219,780,948.74 - Step 4: Simplify right side
201,525,659,556.87x = 20,319,842,003,811,041,280,000 - Step 5: Solve for x
x = 20,319,842,003,811,041,280,000/201,525,659,556.87 - Step 6: Final answer
x = 100,830,048,384.37
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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.