Finding the Fourth Proportional to 1,062,869,087.80, 1,594,303,631.70 and 296,964,191.80
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Solution
The fourth proportional to 1,062,869,087.80, 1,594,303,631.70 and 296,964,191.80 is: 445,446,287.70
Step by Step Solution
- Step 1: Write the proportion equation
1,062,869,087.80 : 1,594,303,631.70 = 296,964,191.80 : x - Step 2: Convert to fraction form
1,062,869,087.80/1,594,303,631.70 = 296,964,191.80/x - Step 3: Cross multiply
1,062,869,087.80x = 1,594,303,631.70 × 296,964,191.80 - Step 4: Simplify right side
1,062,869,087.80x = 473,451,089,471,595,392 - Step 5: Solve for x
x = 473,451,089,471,595,392/1,062,869,087.80 - Step 6: Final answer
x = 445,446,287.70
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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.