Finding the Fourth Proportional to 1,244,348,675, 1,717,201,860.48 and 672,131,724.77
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Solution
The fourth proportional to 1,244,348,675, 1,717,201,860.48 and 672,131,724.77 is: 927,542,152.33
Step by Step Solution
- Step 1: Write the proportion equation
1,244,348,675 : 1,717,201,860.48 = 672,131,724.77 : x - Step 2: Convert to fraction form
1,244,348,675/1,717,201,860.48 = 672,131,724.77/x - Step 3: Cross multiply
1,244,348,675x = 1,717,201,860.48 × 672,131,724.77 - Step 4: Simplify right side
1,244,348,675x = 1,154,185,848,262,675,200 - Step 5: Solve for x
x = 1,154,185,848,262,675,200/1,244,348,675 - Step 6: Final answer
x = 927,542,152.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.