Finding the Fourth Proportional to 5,872,666,467.60, 8,808,999,701.40 and 5,646,926,077.20
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Solution
The fourth proportional to 5,872,666,467.60, 8,808,999,701.40 and 5,646,926,077.20 is: 8,470,389,115.80
Step by Step Solution
- Step 1: Write the proportion equation
5,872,666,467.60 : 8,808,999,701.40 = 5,646,926,077.20 : x - Step 2: Convert to fraction form
5,872,666,467.60/8,808,999,701.40 = 5,646,926,077.20/x - Step 3: Cross multiply
5,872,666,467.60x = 8,808,999,701.40 × 5,646,926,077.20 - Step 4: Simplify right side
5,872,666,467.60x = 49,743,770,127,882,665,984 - Step 5: Solve for x
x = 49,743,770,127,882,665,984/5,872,666,467.60 - Step 6: Final answer
x = 8,470,389,115.80
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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.