Finding the Fourth Proportional to 368,313,770.79, 552,425,877.36 and 230,151,707.91
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Solution
The fourth proportional to 368,313,770.79, 552,425,877.36 and 230,151,707.91 is: 345,199,580.50
Step by Step Solution
- Step 1: Write the proportion equation
368,313,770.79 : 552,425,877.36 = 230,151,707.91 : x - Step 2: Convert to fraction form
368,313,770.79/552,425,877.36 = 230,151,707.91/x - Step 3: Cross multiply
368,313,770.79x = 552,425,877.36 × 230,151,707.91 - Step 4: Simplify right side
368,313,770.79x = 127,141,759,168,084,208 - Step 5: Solve for x
x = 127,141,759,168,084,208/368,313,770.79 - Step 6: Final answer
x = 345,199,580.50
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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.