Finding the Fourth Proportional to 3,412,748,557.97, 5,119,122,836.96 and 959,085,460.97
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Solution
The fourth proportional to 3,412,748,557.97, 5,119,122,836.96 and 959,085,460.97 is: 1,438,628,191.46
Step by Step Solution
- Step 1: Write the proportion equation
3,412,748,557.97 : 5,119,122,836.96 = 959,085,460.97 : x - Step 2: Convert to fraction form
3,412,748,557.97/5,119,122,836.96 = 959,085,460.97/x - Step 3: Cross multiply
3,412,748,557.97x = 5,119,122,836.96 × 959,085,460.97 - Step 4: Simplify right side
3,412,748,557.97x = 4,909,676,285,847,835,648 - Step 5: Solve for x
x = 4,909,676,285,847,835,648/3,412,748,557.97 - Step 6: Final answer
x = 1,438,628,191.46
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1.5x scale
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.