Finding the Fourth Proportional to 1,254,682,071.80, 1,882,023,107.70 and 737,360,343.80
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Solution
The fourth proportional to 1,254,682,071.80, 1,882,023,107.70 and 737,360,343.80 is: 1,106,040,515.70
Step by Step Solution
- Step 1: Write the proportion equation
1,254,682,071.80 : 1,882,023,107.70 = 737,360,343.80 : x - Step 2: Convert to fraction form
1,254,682,071.80/1,882,023,107.70 = 737,360,343.80/x - Step 3: Cross multiply
1,254,682,071.80x = 1,882,023,107.70 × 737,360,343.80 - Step 4: Simplify right side
1,254,682,071.80x = 1,387,729,205,733,216,256 - Step 5: Solve for x
x = 1,387,729,205,733,216,256/1,254,682,071.80 - Step 6: Final answer
x = 1,106,040,515.70
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Double scale
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Similar ratio
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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.