Finding the Fourth Proportional to 70,649,384,750.34, 97,504,393,515.60 and 40,170,135,239.67
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Solution
The fourth proportional to 70,649,384,750.34, 97,504,393,515.60 and 40,170,135,239.67 is: 55,439,473,221.52
Step by Step Solution
- Step 1: Write the proportion equation
70,649,384,750.34 : 97,504,393,515.60 = 40,170,135,239.67 : x - Step 2: Convert to fraction form
70,649,384,750.34/97,504,393,515.60 = 40,170,135,239.67/x - Step 3: Cross multiply
70,649,384,750.34x = 97,504,393,515.60 × 40,170,135,239.67 - Step 4: Simplify right side
70,649,384,750.34x = 3,916,764,673,983,654,658,048 - Step 5: Solve for x
x = 3,916,764,673,983,654,658,048/70,649,384,750.34 - Step 6: Final answer
x = 55,439,473,221.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.