Finding the Fourth Proportional to 213,901,239,234.09, 295,190,789,265.91 and 117,560,740,533.66
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Solution
The fourth proportional to 213,901,239,234.09, 295,190,789,265.91 and 117,560,740,533.66 is: 162,237,712,642.88
Step by Step Solution
- Step 1: Write the proportion equation
213,901,239,234.09 : 295,190,789,265.91 = 117,560,740,533.66 : x - Step 2: Convert to fraction form
213,901,239,234.09/295,190,789,265.91 = 117,560,740,533.66/x - Step 3: Cross multiply
213,901,239,234.09x = 295,190,789,265.91 × 117,560,740,533.66 - Step 4: Simplify right side
213,901,239,234.09x = 34,702,847,784,815,951,872,000 - Step 5: Solve for x
x = 34,702,847,784,815,951,872,000/213,901,239,234.09 - Step 6: Final answer
x = 162,237,712,642.88
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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.