Finding the Fourth Proportional to 8,984,897,029.06, 12,398,785,408.73 and 4,915,778,771.18
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Solution
The fourth proportional to 8,984,897,029.06, 12,398,785,408.73 and 4,915,778,771.18 is: 6,783,570,908.33
Step by Step Solution
- Step 1: Write the proportion equation
8,984,897,029.06 : 12,398,785,408.73 = 4,915,778,771.18 : x - Step 2: Convert to fraction form
8,984,897,029.06/12,398,785,408.73 = 4,915,778,771.18/x - Step 3: Cross multiply
8,984,897,029.06x = 12,398,785,408.73 × 4,915,778,771.18 - Step 4: Simplify right side
8,984,897,029.06x = 60,949,686,100,651,278,336 - Step 5: Solve for x
x = 60,949,686,100,651,278,336/8,984,897,029.06 - Step 6: Final answer
x = 6,783,570,908.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.