Finding the Fourth Proportional to 1,679,620,615.60, 2,519,430,923.40 and 1,482,349,716.40
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Solution
The fourth proportional to 1,679,620,615.60, 2,519,430,923.40 and 1,482,349,716.40 is: 2,223,524,574.60
Step by Step Solution
- Step 1: Write the proportion equation
1,679,620,615.60 : 2,519,430,923.40 = 1,482,349,716.40 : x - Step 2: Convert to fraction form
1,679,620,615.60/2,519,430,923.40 = 1,482,349,716.40/x - Step 3: Cross multiply
1,679,620,615.60x = 2,519,430,923.40 × 1,482,349,716.40 - Step 4: Simplify right side
1,679,620,615.60x = 3,734,677,714,791,380,480 - Step 5: Solve for x
x = 3,734,677,714,791,380,480/1,679,620,615.60 - Step 6: Final answer
x = 2,223,524,574.60
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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.