Finding the Fourth Proportional to 926,613,020.44, 1,394,929,040.02 and 844,144,781.23
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Solution
The fourth proportional to 926,613,020.44, 1,394,929,040.02 and 844,144,781.23 is: 1,270,780,836.60
Step by Step Solution
- Step 1: Write the proportion equation
926,613,020.44 : 1,394,929,040.02 = 844,144,781.23 : x - Step 2: Convert to fraction form
926,613,020.44/1,394,929,040.02 = 844,144,781.23/x - Step 3: Cross multiply
926,613,020.44x = 1,394,929,040.02 × 844,144,781.23 - Step 4: Simplify right side
926,613,020.44x = 1,177,522,069,319,056,896 - Step 5: Solve for x
x = 1,177,522,069,319,056,896/926,613,020.44 - Step 6: Final answer
x = 1,270,780,836.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.