Finding the Fourth Proportional to 8,277,138,652.80, 12,415,591,057.84 and 3,853,083,646.56
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Solution
The fourth proportional to 8,277,138,652.80, 12,415,591,057.84 and 3,853,083,646.56 is: 5,779,571,041.88
Step by Step Solution
- Step 1: Write the proportion equation
8,277,138,652.80 : 12,415,591,057.84 = 3,853,083,646.56 : x - Step 2: Convert to fraction form
8,277,138,652.80/12,415,591,057.84 = 3,853,083,646.56/x - Step 3: Cross multiply
8,277,138,652.80x = 12,415,591,057.84 × 3,853,083,646.56 - Step 4: Simplify right side
8,277,138,652.80x = 47,838,310,867,339,878,400 - Step 5: Solve for x
x = 47,838,310,867,339,878,400/8,277,138,652.80 - Step 6: Final answer
x = 5,779,571,041.88
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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.