Finding the Fourth Proportional to 1,597,485,722.40, 2,395,094,842.80 and 614,532,448.80
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Solution
The fourth proportional to 1,597,485,722.40, 2,395,094,842.80 and 614,532,448.80 is: 921,362,537.53
Step by Step Solution
- Step 1: Write the proportion equation
1,597,485,722.40 : 2,395,094,842.80 = 614,532,448.80 : x - Step 2: Convert to fraction form
1,597,485,722.40/2,395,094,842.80 = 614,532,448.80/x - Step 3: Cross multiply
1,597,485,722.40x = 2,395,094,842.80 × 614,532,448.80 - Step 4: Simplify right side
1,597,485,722.40x = 1,471,863,498,854,135,040 - Step 5: Solve for x
x = 1,471,863,498,854,135,040/1,597,485,722.40 - Step 6: Final answer
x = 921,362,537.53
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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.