Finding the Fourth Proportional to 5,865,485,009.80, 8,808,431,181.90 and 3,110,494,865.80
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Solution
The fourth proportional to 5,865,485,009.80, 8,808,431,181.90 and 3,110,494,865.80 is: 4,671,153,352.41
Step by Step Solution
- Step 1: Write the proportion equation
5,865,485,009.80 : 8,808,431,181.90 = 3,110,494,865.80 : x - Step 2: Convert to fraction form
5,865,485,009.80/8,808,431,181.90 = 3,110,494,865.80/x - Step 3: Cross multiply
5,865,485,009.80x = 8,808,431,181.90 × 3,110,494,865.80 - Step 4: Simplify right side
5,865,485,009.80x = 27,398,579,967,052,574,720 - Step 5: Solve for x
x = 27,398,579,967,052,574,720/5,865,485,009.80 - Step 6: Final answer
x = 4,671,153,352.41
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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.