Finding the Fourth Proportional to 248,936,313.10, 349,021,021.70 and 248,936,313.10
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Solution
The fourth proportional to 248,936,313.10, 349,021,021.70 and 248,936,313.10 is: 349,021,021.70
Step by Step Solution
- Step 1: Write the proportion equation
248,936,313.10 : 349,021,021.70 = 248,936,313.10 : x - Step 2: Convert to fraction form
248,936,313.10/349,021,021.70 = 248,936,313.10/x - Step 3: Cross multiply
248,936,313.10x = 349,021,021.70 × 248,936,313.10 - Step 4: Simplify right side
248,936,313.10x = 86,884,006,336,393,088 - Step 5: Solve for x
x = 86,884,006,336,393,088/248,936,313.10 - Step 6: Final answer
x = 349,021,021.70
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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.