Finding the Fourth Proportional to 412,884,231.97, 619,231,707.46 and 117,773,734.63
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Solution
The fourth proportional to 412,884,231.97, 619,231,707.46 and 117,773,734.63 is: 176,633,606.09
Step by Step Solution
- Step 1: Write the proportion equation
412,884,231.97 : 619,231,707.46 = 117,773,734.63 : x - Step 2: Convert to fraction form
412,884,231.97/619,231,707.46 = 117,773,734.63/x - Step 3: Cross multiply
412,884,231.97x = 619,231,707.46 × 117,773,734.63 - Step 4: Simplify right side
412,884,231.97x = 72,929,230,788,875,840 - Step 5: Solve for x
x = 72,929,230,788,875,840/412,884,231.97 - Step 6: Final answer
x = 176,633,606.09
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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.