Finding the Fourth Proportional to 212,342,463,937.28, 293,102,433,213.36 and 169,018,219,362.08
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Solution
The fourth proportional to 212,342,463,937.28, 293,102,433,213.36 and 169,018,219,362.08 is: 233,300,727,672.86
Step by Step Solution
- Step 1: Write the proportion equation
212,342,463,937.28 : 293,102,433,213.36 = 169,018,219,362.08 : x - Step 2: Convert to fraction form
212,342,463,937.28/293,102,433,213.36 = 169,018,219,362.08/x - Step 3: Cross multiply
212,342,463,937.28x = 293,102,433,213.36 × 169,018,219,362.08 - Step 4: Simplify right side
212,342,463,937.28x = 49,539,651,352,415,078,187,008 - Step 5: Solve for x
x = 49,539,651,352,415,078,187,008/212,342,463,937.28 - Step 6: Final answer
x = 233,300,727,672.86
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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.