Finding the Fourth Proportional to 1,177,739,426.56, 1,625,344,323.84 and 675,944,198.32
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Solution
The fourth proportional to 1,177,739,426.56, 1,625,344,323.84 and 675,944,198.32 is: 932,839,676.75
Step by Step Solution
- Step 1: Write the proportion equation
1,177,739,426.56 : 1,625,344,323.84 = 675,944,198.32 : x - Step 2: Convert to fraction form
1,177,739,426.56/1,625,344,323.84 = 675,944,198.32/x - Step 3: Cross multiply
1,177,739,426.56x = 1,625,344,323.84 × 675,944,198.32 - Step 4: Simplify right side
1,177,739,426.56x = 1,098,642,065,971,991,296 - Step 5: Solve for x
x = 1,098,642,065,971,991,296/1,177,739,426.56 - Step 6: Final answer
x = 932,839,676.75
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1.5x scale
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.